A sine wave with wavelength \lambda and period T is described by A \sin ( 2 \pi ( x / \lambda - t / T ) ) Asin(2(x/t/T )) is superposed on another with wavelength 2 \lambda 2 and period 2T. Before you give the antibiotic, what will you assess? If9.03x 1020 of these XeFn molecules have a mass of0.311 g, what is the value of n? which sample has the largest mass?-1 mole of marshmallows-1 mole of Pb (lead) atoms-1 mole of Co2 (carbon dioxide) molecules-all of these have the same mass. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. A large marshmallow might weigh the same as a small piece of lead, but it will take up a lot more space. How many moles do you have? So one molecule of water will have a smaller mass than one molecule of sugar, since it contains fewer atoms. To do this, we simply need to multiply the mass of one marshmallow by the Avogadro's number. This can be done by using theAvogadro's number. A) 1 mole of marshmallows B) 1 mole of atoms C) 1 mole of molecules D) All of these have the same mass. Which sample has the largest mass? Answer- In general, No of moles of a substance = (Mass of the substance / Molar mass of the substance) He . The factor-label method yields the desired cancellation of units, and the computed result is on the order of 1022 as expected. which sample has the largest mass 1 mole of marshmallows. The mole provides a method for how to count atoms in a sample. Extending this principle, the molar mass of a compound in grams is likewise numerically equivalent to its formula mass in amu (Figure 2). Which sample has the largest mass? Globalizethis aggregates which sample has the largest mass 1 mole of marshmallows information to help you offer the best information support options. which sample has the largest mass 1 mole of marshmallows. Scientists use the mole unit to count tiny things, such as atoms. Avogadro's number equals the number of (A) atoms in one mole of O2 (B) atoms in one mole of atoms. This can be done by using the density of marshmallows. How many molecules of NaCl does that contain? How many moles of Be are in a thin-foil window weighing 3.24 g? Which sample has the largest mass? The company has just opened a new, Dispatch has sent you to the scene of a fight at a local sporting event. The answer is clear: lead is much more dense than marshmallows. It weighed 3104 carats (1 carat = 200 mg). In order to answer this question, we must first understand what a mole is. To calculate the mass of 1 mol of Na2S we need just to multiply it by it's molar mass: 78,0452 g/mol. A) particles in 1 mol of a substance. The masses of 1 mole of different elements, however, are different, since the masses of the individual atoms are drastically different. Th, At the county fair, Chris throws a 0.12kg baseball at a 2.4kg wooden milk bottle, hoping to knock it, An oil company is interested in estimating the true proportion of female truck drivers based in five, When writing a formal business report, you should begin by __________. 7. This is a difficult question to answer, as it depends on a number of variables. john pawlowski obituary; how to prevent albinism during pregnancy; honeyglow pineapple vs regular pineapple; nickelodeon live show tickets; goway travel liquidation Due to the use of the same reference substance in defining the atomic mass unit and the mole, the formula mass (amu) and molar mass (g/mol) for any substance are numerically equivalent (for example, one H2O molecule weighs approximately18 amu and 1 mole of H2O molecules weighs approximately 18 g). What is the difference between "cotton candy " and "marshmallow Whats the Difference Between a Real Marshmallow and a Lucky. A sample of a compound of xenon and fluorine contains molecules of a single type; XeF n, where n is a whole number. So, which is more dense, marshmallows or lead? Marshmallows are essentially just sugar, water, and gelatin. On the other hand, if you need something that is heavy and will sink to the bottom of a container, then lead is what you need. Which compound contains the greatest percentage of nitrogen? A. What is the wavelength and period of the combined wave? Start your trial now! Which sample has the largest mass? (A) 1.00 g C (B) 1.00 g Oz (C) 1.00 g Hz (D) 1.00 g Fe. For example, water, H2O, and hydrogen peroxide, H2O2, are alike in that their respective molecules are composed of hydrogen and oxygen atoms. Its formula has twice as many oxygen atoms as the other two compounds (one each). Click hereto get an answer to your question 1 2 mole 19 (D) 6.023x1024 Which sample contains the largest number of atoms: (A) 1 mg of C4H10 (B) 1mg of N2 (C) Img of Na (D) ImL of water The atomic weight of . Concept: 6.02 x 10 23 molecules of O 2 has more mass.. 2003-2023 Chegg Inc. All rights reserved. All information published on this website is provided in good faith and for general use only. The recommended daily dietary allowance of vitamin C for children aged 48 years is [latex]1.42\times {10}^{-4}\text{mol. What is the wavelength of the radio waves? Marshmallows are made of sugar, starch, cornstarch and some flavorings. The number of the constituent particles of atoms such as molecules or atoms or ions present in a given sample is related with the mass of the substance present in the sample using Avogadro's number. fjords, norway cruise capital radiology 157 scoresby road boronia capital radiology 157 scoresby road boronia Why do companies lower product prices and offer free samples? Per the amu definition, a single 12C atom weighs 12 amu (its atomic mass is 12 amu). So, which is more important? Which of the following pairs of sample size n? Marshmallows have a larger molar mass than lead. Which sample has the largest mass? How do you calculate the moles of a substance? Because the definitions of both the mole and the atomic mass unit are based on the same reference substance, 12 C, the molar mass of any substance is numerically equivalent to its atomic or formula weight in amu.Per the amu definition, a single 12 C atom weighs 12 amu (its atomic mass is 12 amu). There is no definitive answer to this question as the amount of mass will depend on the size and quantity of each object. Therefore, the mass of one marshmallow is 0.5 grams. The Mole. (a) Which has the largest number of molecules? In order to be able to convert this molecular scale to something that's more familiar to us, like grams, we needed to group a whole lot of these molecules together. This gives us a mass of 1 mole of marshmallows as 3.011 x 10^23 grams.This means that the sample with the largest mass of 1 mole of marshmallows would be the one with the greatest number of marshmallows. Because an individual molecule of sugar weighs more than an individual molecule of water. The mass of K is provided, and the corresponding amount of K in moles is requested. The mole is an amount unit similar to familiar units like pair, dozen, gross, etc. The definition of atomic mass, the mole, and molar mass are all directly or indirectly related to carbon-12. mole of , 4.The mole. (A) KN03 (B) KN02 (C) NaN03 (D) NaN02, hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, and iodine, Molecular Structure and Bonding/ Electronic S, Braden Bickle Earth and space vocab review, Bruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore E. Brown, 2022FA_GLG120JCF Earth Science - Professor Le. . For example, 12 marshmallows =1 dozen marshmallows. (Video) Mometrix, 8.True or false? A liter of air contains [latex]9.2\times {10}^{-4}[/latex] mol argon. There are 6.022 x 1023 ( Avogadro's number, L) atoms of any element in a mass of that element equal to the atomic mass, but in grams. Which sample has the largest mass? A radio broadcast antenna is 36.00km36.00 \mathrm{~km}36.00km from your house. However, because marshmallow fluff is gluten-free and kosher, it may be a healthier option for some people. This result is consistent with our rough estimate. Determine the number of moles of each component. Now that we know the mass of one marshmallow, we can calculate the mass of one mole of marshmallows. Which part of a chemical formula indicates the number of copies of molecules or compounds? His wife asks you whether anything is wrong. luminosity. (multiple choice) Socratic, TOP 10 which sample has the largest mass 1 mole of marshmallows BEST SELECTION, TOP 9 which sample fairly represents the population BEST SELECTION, TOP 9 which salt and pepper shaker has more holes BEST SELECTION, TOP 9 which salsa is spicy at chipotle BEST SELECTION, TOP 10 which saints row is the best BEST SELECTION, TOP 9 which saint is for healing BEST SELECTION, TOP 10 which sailor moon character are you filter BEST SELECTION, TOP 10 which sailor moon character am i BEST SELECTION. Basically it says there are 98.08 grams per 1 mole of sulfuric acid. Hope that helps. PQ-1. Avogadro's number, #6.022 * 10^(23)#. moi-1 What is the most likely formula for the stable ion of X? The final factor to consider is shape. This of course means that two molecules of water will have a smaller mass than two molecules of sugar. nceptual (A), 3.PQ-L. pnceptuci Which sample has the largest mass? which sample has the largest mass 1 mole of marshmallows. Therefore, the mass of one marshmallow is 0.5 grams. E) moles in 6.02 10 amu of an element. The mass of one mole of carbon-12 atoms is exactly 12 grams; its molar . nceptual (A), 3.PQ-L. pnceptuci Which sample has the largest mass? An engagement ring contains a diamond weighing 1.25 carats (1 carat = 200 mg). In that case, it is clear that lead has the larger number of moles. Which sample has the largest mass? This difference in mass is due to the different types of atoms that make up each substance. How does the mole relate to molecules and ions? lead is a very dense metal, so it is very heavy. (b) Which has the greatest mass? C) 1 mole of CO 2 molecules. C) grams in 1 mol of a substance. A 5.0 moles of Cl2 B 10.0 moles of O2 C 15.0 moles of N2 D 20.0moles of H2 Skip to main content. Consistent with its definition as an amount unit, 1 mole of any element contains the same number of atoms as 1 mole of any other element. Which sample has the largest mass? 6.02 X 10 H atoms have a mass of 1.008 g. The formula mass of O = 32.00 amu. Atoms and molecules are very, very small, which of course implies that they have very, very small masses, much, much smaller than the scale we're used to in our daily lives. To go from grams of sucrose to moles of sucrose, use the molar mass of the compound. Copper is commonly used to fabricate electrical wire (Figure 7). According to the definition of the mole, 12 g of 12C contains 1 mole of 12C atoms (its molar mass is 12 g/mol). How many hydrogen atoms? This means that the sample with the largest mass of 1 mole of marshmallows would be the one with the greatest number of marshmallows. Figure 1. You can refer to the answers. This is why one mole of sugar has a bigger mass than one mole of water, because one molecule of sugar has a bigger mass than one molecule of water. Your email address will not be published. The molecular mass of each compound is as follows: 11. This means that, for the same volume, lead is about 56 times heavier than marshmallows. When it comes to volume, there is no question that marshmallows take the cakeor in this case, the Volume. physical science. Molar mass = mass/mole = g/mol. Your sample will contain. Another factor to consider is volume. One mole is 6.022 x 10 23 of the microscopic particles which make up the substance in question. Explain why.OpenStax is a registered trademark, which was not involved in the production of, and does not endorse, this product.If you don't have the OpenStax \"Chemistry: Atoms First\" textbook, here is a link in which you can download it for FREE!https://d3bxy9euw4e147.cloudfront.net/oscms-prodcms/media/documents/ChemistryAtomsFirst2e-OP_T2wT7wj.pdfSUBSCRIBE if you'd like to see more solutions for your textbook!https://www.youtube.com/channel/UC2C34WdYMOm47PkWovvzLpw?sub_confirmation=1Want us as your private tutor? How many moles and atoms of sodium are in the recommended daily allowance? (a) 1 mol of CO 2 (g) (b) 1 mol of UF 6 (g) (c) 1 mol of CH 3 COCH 3 (l) (d) 1 mol of He(g) . a. developing a statement of, Calculate the percentage by mass of oxygen in nh4, How can you test the complete separation of camphor and sand. From the moles, calculate the number of atoms and the mass of the elements involved. The density of a substance is the mass of the substance divided by the volume of the substance. All of the above are true. A) 1 mole of marshmallows B) 1 mole of Pb atoms C) 1 mole of CO2 molecules D) All of these have the same mass. In other words, a single marshmallow has close to 30% more volume than an entire chunk of lead! You can refer to the answers, The following summaries about unscented goat milk soap will help you make more personal choices about more accurate and faster information. A 10.000 g sample of water contains 11.19% H by mass. Required fields are marked *. So, how many molecules do we need in order to have "a whole lot"? B) 1 mole of Pb atoms. How many Au atoms are in this quantity of gold? How many copper atoms are in 5.00 g of copper wire? The molecular mass of each compound is as follows: 9. Moleis a counting unit in chemistry used 1 See answer Advertisement Advertisement yavcak156 yavcak156 Answer: B. This is because marshmallows are not very dense. 1 mol(NA) of a. 25. four moles of hydrogen. }[/latex] This 9.52 g of sugar represents [latex]\frac{11.0}{60.0}[/latex] of one serving or, [latex]\frac{60.0\text{g serving}}{11.0\cancel{\text{g sugar}}}\times 9.52\cancel{\text{g sugar}}=51.9\text{g cereal.}[/latex]. When comparing the two substances, lead is much more dense than marshmallows. ", we must first determine the mass of one mole of marshmallows. (a) CH (b) CH 2 What would be the %H in a 20.000 g sample co"''e9 of water? What mass of fluorine atoms in mg was present? Marshmallows, on the other hand, are fluffy, light, and airy. E) 3.01 10. The relationships between formula mass, the mole, and Avogadros number can be applied to compute various quantities that describe the composition of substances and compounds. Use the molecular formula to find the molar mass; to obtain the number of moles, divide the mass of compound by the molar mass of the compound expressed in grams. Th, At the county fair, Chris throws a 0.12kg baseball at a 2.4kg wooden milk bottle, hoping to knock it, An oil company is interested in estimating the true proportion of female truck drivers based in five, When writing a formal business report, you should begin by __________. A) 1 mole of Chegg, 2.Solved PQ-1. Now that we know the number of marshmallows in one mole, we can calculate the mass of one mole of marshmallows. (credit: Emilian Robert Vicol). Verified answer. Determine the number of atoms and the mass of zirconium, silicon, and oxygen found in 0.3384 mol of zircon, ZrSiO, Determine which of the following contains the greatest mass of hydrogen: 1 mol of CH, Determine which of the following contains the greatest mass of aluminum: 122 g of AlPO. Explain why.. The same goes for 10 molecules of each substance, 100, 1000, and 6.022 1023. The mass of one mole of a substance is equal to that substance's molecular weight. Any action you take based on the information found on cgaa.org is strictly at your discretion. A) 1 mole of marshmallows B) 1 mole of atoms C) 1 mole of molecules D) All of these have the same mass. A certain nut crunch cereal contains 11.0 grams of sugar (sucrose, C, A tube of toothpaste contains 0.76 g of sodium monofluorophosphate (Na. undergoes a successful laparoscopic cholecystectomy the next morning. Diamond is one form of elemental carbon. Experts are tested by Chegg as specialists in their subject area. Beryllium is a light metal used to fabricate transparent X-ray windows for medical imaging instruments. In the compound (NH4)2S20 3, which element is present in the largest percent by mass? 1 mole of marshmallows B. To do this, we must first determine the mass of one marshmallow. However, lead is generally much denser than marshmallows, meaning that it has a higher mass per unit of volume. This can be done by using theAvogadro's number. We can derive the number of moles of a compound from its mass following the same procedure we used for an element in Example 3: The molar mass of glycine is required for this calculation, and it is computed in the same fashion as its molecular mass. A bag of regular marshmallows has 8 mini marshmallows in it. Now that we know the mass of one marshmallow, we can calculate the mass of one mole of marshmallows. This gives us a mass of 1 mole of marshmallows as 3.011 x 10^23 grams. By the end of this section, you will be able to: The identity of a substance is defined not only by the types of atoms or ions it contains, but by the quantity of each type of atom or ion. Copper wire is composed of many, many atoms of Cu. This can make them difficult to swallow properly - especially if they are in large quantities. A) 1 mole of marshmallows B) 1 mole of Pb atoms C) 1 mole of CO2 molecules D) All of these have the same mass. How big is a mole? (A) 1 mole of marshmallows (B) I mole of (lead) atoms (C) I mole of (carbon dioxide) molecules (D) All of these have the same mass. The same goes for #10# molecules of each substance, #100#, #1000#, and #6.022 * 10^(23)#. Required fields are marked *. (A) H (B) N (C) 0 (D) S, Which compound contains the largest percent by mass of oxygen? Which sample has the largest mass? A. the n = 3 shell has no f subshell, When two atoms with different electronegativities are bonded together, a bond_ exists. Which one of the samples has the largest mass? Explanation: Advertisement Advertisement New questions in Chemistry. Referring to the periodic table, the atomic mass of K is 39.10 amu, and so its molar mass is 39.10 g/mol. Likewise, if we know the number of moles of a substance, we can derive the number of atoms or molecules and calculate the substances mass. The given mass of K (4.7 g) is a bit more than one-tenth the molar mass (39.10 g), so a reasonable ballpark estimate of the number of moles would be slightly greater than 0.1 mol. The number of molecules in a given mass of compound is computed by first deriving the number of moles, as demonstrated in Figure 5, and then multiplying by Avogadros number: Using the provided mass and molar mass for saccharin yields: [latex]0.0400\cancel{\text{g}}{\text{C}}_{7}{\text{H}}_{5}{\text{NO}}_{3}\text{S}\left(\frac{\cancel{\text{mol}}{\text{C}}_{7}{\text{H}}_{5}{\text{NO}}_{3}\text{S}}{183.18\cancel{\text{g}}{\text{C}}_{7}{\text{H}}_{5}{\text{NO}}_{3}\text{S}}\right)\left(\frac{6.022\times {10}^{23}{\text{C}}_{7}{\text{H}}_{5}{\text{NO}}_{3}\text{S molecules}}{1\cancel{\text{mol}}{\text{C}}_{7}{\text{H}}_{5}{\text{NO}}_{3}\text{S}}\right)=1.31\times {10}^{20}{\text{C}}_{7}{\text{H}}_{5}{\text{NO}}_{3}\text{S molecules}[/latex]. To do this, we must first determine the mass of one marshmallow. Lead is a silvery-white metal that is very dense and heavy. Save my name, email, and website in this browser for the next time I comment. Which of the following has the greatest mass? Avogadro's number is a constant that is equal to the number of atoms or molecules in one mole of a substance. Zirconium: [latex]0.3384\cancel{\text{mol}}\times 6.022\times {10}^{23}{\cancel{\text{mol}}}^{\cancel{-1}}=2.038\times 1023\text{atoms;}0.3384\cancel{\text{mol}}\times 91.224\text{g/}\cancel{\text{mol}}=30.87\text{g;}[/latex] Silicon: [latex]0.3384\cancel{\text{mol}}\times 6.022\times {10}^{23}{\cancel{\text{mol}}}^{\cancel{-1}}=2.038\times {10}^{23}\text{atoms;}0.3384\cancel{\text{mol}}\times 28.0855\text{g/}\cancel{\text{mol}}=9.504\text{g;}[/latex] Oxygen: [latex]4\times 0.3384\cancel{\text{mol}}\times 6.022\times {10}^{23}{\cancel{\text{mol}}}^{\cancel{-1}}=8.151\times {10}^{23}\text{atoms;}4\times 0.3384\cancel{\text{mol}}\times 15.9994\text{g/}\cancel{\text{mol}}=21.66\text{g}[/latex]. Additionally, marshmallows are often white or light colored, while lead is typically a dark gray color. Avogadro's number is the number of. They are made of sugar, corn syrup, gelatin, and water. Why is the mole an important unit to chemists? How does insulin stimulate glycogen synthesis. First, marshmallows are made mostly of sugar, while lead is a heavy metal. 1 mole of pennies would cover the Earth 1/4 mile deep! First, convert the grams to moles using the molar mass and then use Avogadro's number to find the number of molecules: This calculation tells you that there are 2.1 x 10 22 molecules of NaCl in 2 grams of NaCl. Avogadros number (NA): experimentally determined value of the number of entities comprising 1 mole of substance, equal to [latex]6.022\times {10}^{23}{\text{mol}}^{-1}[/latex], molar mass: mass in grams of 1 mole of a substance, mole: amount of substance containing the same number of atoms, molecules, ions, or other entities as the number of atoms in exactly 12 grams of 12C, [latex]4.586\times {10}^{22}\text{Au atoms}[/latex], [latex]\begin{array}{lll}\hfill \text{Co}=1\times 58.99320& =& 58.99320\hfill \\ \hfill 6\text{N}=6\times 14.0067& =& 84.0402\hfill \\ \hfill 18\text{H}=18\times 1.00794& =& 18.1429\hfill \\ \hfill 3\text{Cl}=3\times 35.4527& =& \underline{106.358}\hfill \\ \hfill \text{molar mass}& =& 267.5344\text{g}{\text{mol}}^{-1}\hfill \end{array}[/latex], [latex]\text{Mass}=2.856\text{mol}\times 267.5344\text{g/mol}=765\text{g}[/latex], https://commons.wikimedia.org/wiki/File:Water_drop_on_a_leaf.jpg, Define the amount unit mole and the related quantity Avogadros number, Explain the relation between mass, moles, and numbers of atoms or molecules, and perform calculations deriving these quantities from one another. Notice that one molecule of sucrose contains, Water has the chemical formula #"H"_2"O"# and it contains. Avogadro's number is an absolute number: there are 6.02210 23 elementary entities in 1 mole. You can refer to the, The following summaries about tru ball goat release will help you make more personal choices about more accurate and faster information. A sample of a compound of xenon and fluorine contains molecules of a single type; XeF n, where n is a whole number. The number of protons in an atom's nucleus determines the element that the atom is. Likewise, in order to have have one mole of water, you need to have #6.022 * 10^(23)# molecules of water. PQ-1. The compound with the greatest number of moles of Al has the greatest mass of Al. To figure this out, you will need the molar mass of NaCl which is 58.44 g/mol. Learn More: How do I change the sample rate in pro tools? The 1 cm 3 of mercury referred to in the introduction to moles (opens in new window) would . Which contains the greatest mass of oxygen: 0.75 mol of ethanol (C, Which contains the greatest number of moles of oxygen atoms: 1 mol of ethanol (C. How are the molecular mass and the molar mass of a compound similar and how are they different? Explain why. Explain why. Therefore, 20.0 g H2O represents the least number of molecules since it has the least number of moles. This is consistent with the anticipated result. For example, if we know the mass and chemical composition of a substance, we can determine the number of moles and calculate number of atoms or molecules in the sample. This is because marshmallows are not very dense. Because the definitions of both the mole and the atomic mass unit are based on the same reference substance, 12C, the molar mass of any substance is numerically equivalent to its atomic or formula weight in amu. Which sample has the largest mass? From left to right (top row): 65.4g zinc, 12.0g carbon, 24.3g magnesium, and 63.5g copper. This site is protected by reCAPTCHA and the Google, PQ-1. Sulfur molecules exist under various conditions as S8, S6, S4, S2, and S. (a) Is the mass of one mole of each of these molecules the same? Marshmallows have a larger atomic mass than lead. 12(12.011) + 22(1.00794) + 11(15.9994) = 342.300 g/mol; Then [latex]0.0278\text{mol}\times 342.300\text{g/mol}=9.52\text{g sugar. of moles = given mass/molar mass = 16 gm / 32 gm = 1/2, Mass of one mole of O 2 = 2 x atomic mass of O 2 = 32 gm, Mass of 16gm of O 2 = 1/2 x 32 gm = 16 gm. If the molecules were distributed equally among the roughly seven billion people on earth, each person would receive more than 100 billion molecules. Menu. This means that the sample with the largest mass of 1 mole of marshmallows would be the one with the greatest number of marshmallows. Therefore, 0.60 mol of formic acid would be equivalent to 1.20 mol of a compound containing a single oxygen atom. The molar amount of Ar is provided and must be used to derive the corresponding mass in grams. A packet of an artificial sweetener contains 40.0 mg of saccharin (C7H5NO3S), which has the structural formula: Given that saccharin has a molar mass of 183.18 g/mol, how many saccharin molecules are in a 40.0-mg (0.0400-g) sample of saccharin? This means that marshmallows are much lighter than lead. 3. (b) Which has the greatest mass? That mass is called 1 mole of the element. Get started with your FREE initial assessment!https://glasertutoring.com/contact/#MolesToMolecules #MolesToGrams #OpenStaxChemistry . Using the average atomic masses given inside the front cover of this hook, calculate the mass in grains of each of the following samples. PQ-1. Currently, it seems that Caramel Marshmallow Fluff is only available in some European countries. Lead atoms are much larger than sugar atoms. You have 20 g of a buckyball (C20). - 29903591. brockmorrison2003 brockmorrison2003 12/13/2022 Chemistry High School answered expert verified Which sample has the largest mass? Now, you can go from moles of sucrose to number of molecules of sucrose by using Avogadro's constant, which is essentially the definition of a mole. So, in order to have a mole of sugar, for example, you need to have #6.022 * 10^(23)# molecules of sugar. B) amu in 1 mol of a substance. We don't have your requested question, but here is a suggested video that might help. This is because marshmallows are made up of mostly sugar, while lead is a metal. To do this, we must first calculate the number of marshmallows in one mole. This leads to two important facts. 1 mol CH3OH weighs 32.0 g 14. which sample has the largest mass 1 mole of marshmallows. No. Which sample has the largest mass? 21. A) 1 mole of marshmallows B) 1 mole of Pb atoms C) 1 mole of CO 2. (A) 4 g of hydrogen (molar mass 2) corresponds to 2 moles of molecules or 4N number of atoms where N is the Avogadro's number ( 6.02310 23 ). If the amount of gas in a sample and its temperature are kept constant, then as the pressure of a gas is increased, the volume of the gas decreases proportionately. Which sample has the largest mass? PLEASE WALK ME THROUGH THIS: The bus to the exposition averaged 18 miles to a gallon of gas. mrs elliott WordPress.com, 5.Chapter 3 formula calculations and mole Flashcards Quizlet, 7.What is the Mole Concept? lead has a molar mass of 207.2 g/mol, while a marshmallow has a molar mass of only 30.0 g/mol. This number is equal to 6.022 x 10^23. A) 1 mole of marshmallows. 1 atom of oxygen. T.B. You have 200 g of a substance with a molar mass of 150 g/mol. The whole ratio, the 98.08 grams/1 mole, is the molar mass of sulfuric acid. The mass in grams of 1 mole of substance is its molar mass. If you need something to take up space, then marshmallows are the way to go. Learn More: How to do a two sample t test in jmp? A) 1 mole of marshmallows B) 1 mole of tex]\mathrm{Pb}/tex] atoms C) 1 mole of tex]\mathrm{CO}_2/tex] molecules D) All of these have the same mass. Which sample has the largest mass? A large marshmallow might weigh the same as a small piece of lead, but it will take up a lot more space. These are dis. The molar amount of a substance may be calculated by dividing its mass (g) by its molar mass (g/mol): The factor-label method supports this mathematical approach since the unit g cancels and the answer has units of mol:, [latex]4.7\cancel{\text{g}}\text{K}\left(\frac{\text{mol K}}{39.10\cancel{\text{g}}}\right)=0.12\text{mol K}[/latex]. The correct answer is 6.02 10 23 molecules of O 2.. Key Points. As for elements, the mass of a compound can be derived from its molar amount as shown: The molar mass for this compound is computed to be 176.124 g/mol. . You can refer to the answers, The following summaries about ugg mini goat color will help you make more personal choices about more accurate and faster information. Marshmallows are made mostly of sugar and air, while lead is a very dense metal. Promote your business with effective corporate events in Dubai March 13, 2020 View solution > View . Therefore, marshmallows have a larger atomic mass than lead. This amount is [latex]\frac{51.9\text{g cereal}}{60.0\text{g serving}}=0.865[/latex] servings, or about 1 serving. 1 mol pennies = 6.02 X 10 pennies. Carbon has a mass of 12.011 u and hydrogen has a mass of 1.008 u. arrow_forward. Which sample has the largest mass? . 100/1000 x 0.1 = 0.01 moles. Let's assume that we are talking about a standard sized marshmallow and a lead atom. Answers One : Question Lists Recent : PLEASE WALK ME THROUGH THIS: The bus to the exposition averaged 18 miles to a gallon of gas . To put it into perspective, one large marshmallow has a volume of approximately 9 cubic centimeters (ccs), while lead fails to even come close with a measly 7.5 ccs.