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. One mole is 6.022 x 10 23 of the microscopic particles which make up the substance in question. (a) CH (b) CH 2 1 mol H atoms = 6.02 X 10 H atoms. A mole of marshmallows is 6.022 x 10^23. Marshmallows are made mostly of sugar and air, while lead is a very dense metal. This is consistent with the anticipated result. However, lead is generally much denser than marshmallows, meaning that it has a higher mass per unit of volume. 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. Carrying out the two-step computation yields: [latex]5.00\cancel{\text{g}}\text{Cu}\left(\frac{\cancel{\text{mol}}\text{Cu}}{63.55\cancel{\text{g}}}\right)\left(\frac{6.022\times {10}^{23}\text{atoms}}{\cancel{\text{mol}}}\right)=4.74\times {10}^{22}\text{atoms of copper}[/latex]. 25. They are made of sugar, corn syrup, gelatin, and water. Which sample has the largest mass? Which sample has the largest mass? Avogadro did not invent the mole, but the number of particles in a mole is called Avogadro's number in his honour. physical science. One of the postoperative orders is for imipenem/cilastatin (Primaxin) 500 mg IV now, then q6h x 2 doses. Your sample will contain. Stoichiometry Chemistry Quiz - ThoughtCo This means that the mass of one methane molecule is 12.011 u + (4 1.008u), or . P 1 V P 1 V. This gives us the moles of O2. To do this, we simply need to multiply the mass of one marshmallow by the Avogadro's number. Which one of the samples has the largest mass? Clock-wise from the upper left: 130.2g of C8H17OH (1-octanol, formula mass 130.2 amu), 454.9g of HgI2 (mercury(II) iodide, formula mass 459.9 amu), 32.0g of CH3OH (methanol, formula mass 32.0 amu) and 256.5g of S8 (sulfur, formula mass 256.6 amu). for atoms, molecules and ions etc. This is because marshmallows are made of sugar and water, while lead is a heavy metal. 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? PQ-1. Which sample has the largest mass? (A) 1 mole of marshmallows 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. 3. One mole of sugar has a greater mass than one mole of water - Socratic 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). How does the mole relate to molecules and ions? Learn More: How do I change the sample rate in pro tools? 2.8: The Mole - Chemistry LibreTexts 21. Therefore the result will be 78,0452 g. To calculate the mass of O2, we first need to divide the result by the Avogadro constant. The final factor to consider is shape. Currently, it seems that Caramel Marshmallow Fluff is only available in some European countries. 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 1 mole of marshmallows PQ-1. Answer: There is no definitive answer to this question as the amount of mass will depend on the size and quantity of each object. Which sample contains the largest number of atoms? - Toppr Ask This gives us a mass of 1 mole of marshmallows as 3.011 x 10^23 grams. This is because marshmallows are not very dense. This is because a lead atom is much larger than a marshmallow molecule. moi-1 What is the most likely formula for the stable ion of X? The masses of 1 mole of different elements, however, are different, since the masses of the individual atoms are drastically different. Determine the molar mass and, from the grams present, the moles of each substance. mole of , 4.The mole. Which sample has the largest mass? One mole of a substance is equal to the amount of that substance that has a mass of 6.022 x 10^23 atoms or molecules. Transcribed image text: 61. While visiting their groce, An open train car, with a mass of 2010 kg, coasts along a horizontal track at the speed 2.53 m/s. 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]. Experimental measurements have determined the number of entities composing 1 mole of substance to be [latex]6.022\times {10}^{23}[/latex], a quantity called Avogadros number. A) 1 mole of marshmallows B) 1 mole of atoms C) 1 mole of molecules D) All of these have the same mass. 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. Determine the number of grams present in the diamond and from that the number of moles. According to the definition of the mole, 12 g of 12 C contains 1 mole of 12 C atoms (its molar . nceptual (A) 1 mole of marshmallows (B) 1 mole of Pb (lead) atoms (C) 1 mole of CO2 (carbon dioxide) molecules (D) All of these. An engagement ring contains a diamond weighing 1.25 carats (1 carat = 200 mg). Copper is commonly used to fabricate electrical wire (Figure 7). The 1 cm 3 of mercury referred to in the introduction to moles (opens in new window) would . 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? What would be the %H in a 20.000 g sample co"''e9 of water? So if you're curious about trying it out for yourself, you may need to cross your fingers and hope for the best. How do you calculate the number of moles from volume? Dividing the compounds mass by its molar mass yields: [latex]28.35\cancel{\text{g}}\text{glycine}\left(\frac{\text{mol glycine}}{75.07\cancel{\text{g}}}\right)=0.378\text{ mol glycine}[/latex]. chem final review - chapter 6 Quiz - Quizizz Verified answer. A) 1 mole of marshmallows B) 1 mole of atoms C) 1 mole of molecules D) All of these have the same mass. 6.02 1023lmarshmallows = 1 mol of marshmallows. (b) Which has the greatest mass? Now that we know the number of marshmallows in one mole, we can calculate the mass of one mole of marshmallows. PPT I. Molar Conversions - Copley Your email address will not be published. 5.The two masses have the same numerical value, but the units are different: The molecular mass is the mass of 1 molecule while the molar mass is the mass of [latex]6.022\times {10}^{23}[/latex] molecules. Your email address will not be published. mass of carbon atom is taken to be relative atomic mass unit, the mass of one mole of substance will. 1 dm 3 is the same as 1000 cm 3, so the value in cubic centimetres needs to be divided by 1000. Learn More: Where to buy duraseal stain samples? T.B. From left to right (top row): 65.4g zinc, 12.0g carbon, 24.3g magnesium, and 63.5g copper. Which sample has the largest mass? The mass of K is provided, and the corresponding amount of K in moles is requested. the molar mass of hydrogen peroxide. (A) H (B) N (C) 0 (D) S, Which compound contains the largest percent by mass of oxygen? Start your trial now! This would be the sample with the mass of 3.011 x 10^23 grams. So, in order to answer the question, "Which sample has the largest mass 1 mole of marshmallows? the density of hydrogen peroxide. A cubic inch of lead weighs about 140 pounds, while a cubic inch of marshmallows only weighs about 2.5 ounces. Therefore, the mass of one marshmallow is 0.5 grams. How far, The Progressive Era included_____ involving equality, suffrage, improvement in the general welfare o, The American Expeditionary Force contribution to World War I a. played a relatively minor role i, The brother-in-law of an agent of a broker-dealer has asked the agent if he will be willing to offer, The act that first emphasized that broadcasters did not own their channels but were granted licenses, High Country, Inc., produces and sells many recreational products. PDF CHEM 1411 Chapter 2 Homework Answers - austincc.edu When comparing the two substances, lead is much more dense than marshmallows. nceptual (A) 1 mole of marshmallows (B) 1 mole of Pb (lead) atoms (C) 1 mole of CO2 (carbon dioxide) molecules (D) All of these have the same mass. Extending this principle, the molar mass of a compound in grams is likewise numerically equivalent to its formula mass in amu (Figure 2). georgia forensic audit pulitzer; pelonis box fan manual. arrow_forward. 10+ which sample has the largest mass 1 mole of marshmallows most standard, 1.Solved 61. If we're converting from grams of sulfuric acid to moles of sulfuric acid, we need to multiply by the reciprocal of the molar mass to do so, or 1 mole/98.08 grams. (C) marbles in one mole of marbles. Today, we possess sophisticated instruments that allow the direct measurement of these defining microscopic traits; however, the same traits were originally derived from the measurement of macroscopic properties (the masses and volumes of bulk quantities of matter) using relatively simple tools (balances and volumetric glassware). Marshmallows, on the other hand, are fluffy, light, and airy. What is the wavelength and period of the combined wave? This would be the sample with the mass of 3.011 x 10^23 grams. Which sample has the largest mass? 3Cu(s)+8HNO3(aq)3Cu(NO3)2(aq)+2NO(g)+4H2O(l). One mole of glycine, C2H5O2N, contains 2 moles of carbon, 5 moles of hydrogen, 2 moles of oxygen, and 1 mole of nitrogen: The provided mass of glycine (~28 g) is a bit more than one-third the molar mass (~75 g/mol), so we would expect the computed result to be a bit greater than one-third of a mole (~0.33 mol). The correct answer is 6.02 10 23 molecules of O 2.. Key Points. Q. the simplest formula for hydrogen peroxide is HO. Therefore, 20.0 g H2O represents the least number of molecules since it has the least number of moles. When saliva is mixed with these ingredients, it creates a sticky consistency. man vs food doughman challenge; disgaea 5 fun weapons How do you calculate the moles of a substance? The same goes for #10# molecules of each substance, #100#, #1000#, and #6.022 * 10^(23)#. 1 mole of Pb (lead) atoms C. 1 mole of CO2 (carbon dioxide) molecules D. All of these have the same mass There are 16 oz. 7.1 The Mole Concept | Introductory Chemistry - Lumen Learning 1.26 mol HCl; How many water molecules are in a 0.265 g sample? 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. You have 200 g of a substance with a molar mass of 150 g/mol. This number is equal to 6.022 x 10^23. Which of the following statements is FALSE? Marshmallows, on the other hand, are very light and fluffy. Which sample has the largest mass? The mass in grams of 1 mole of substance is its molar mass. XeFn, where n is a whole number. 1.0g 1 mole C12H22O11 342.3g = 0.0029214 moles C12H22O11. Write a sentence that describes how to determine the number of moles of a compound in a known mass of the compound if we know its molecular formula. A. talladega high school basketball. No. 1 mol (N A) of a . Solved PQ-1. Which sample has the largest mass? nceptual (A) - Chegg The company has just opened a new, Dispatch has sent you to the scene of a fight at a local sporting event. 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. This gives us a mass of 1 mole of marshmallows as 3.011 x 10^23 grams. Determine the number of moles of each component. Which sample has the largest mass? For example, there are 6.022 x 10 23 chickens in a mole of chickens. a sample of a compound of Xenon and fluorine contains molecules of a single type. This means that there are lead atoms. A convenient amount unit for expressing very large numbers of atoms or molecules is the mole. The molecular mass of each compound is as follows: 11. Density does not change the identity of the substance; it, Problems associated with a declining population size include. Come stay with us for the ultimate Airbnb experience. The mass of one atom of carbon-12 the atomic mass of carbon-12 is exactly 12 atomic mass units. Answer: Mole is a counting unit in chemistry used for atoms, molecules and ions etc. Solution for Which gas sample has the greatest mass? PQ-1. Avogadro's number is a constant that is equal to the number of atoms or molecules in one mole of a substance. PQ-1. Answers One : Question Lists Recent : PLEASE WALK ME THROUGH THIS: The bus to the exposition averaged 18 miles to a gallon of gas . 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. Finally, marshmallows are safe to eat, while lead is poisonous. Which of the following represents the least number of molecules? A) 1 mole of Chegg, 2.Solved PQ-1. What is the Mole? The mass of each compound is as follows: 17. How to Calculate the Number of Molecules | Sciencing what challenges do advertisers face with product placement? The mole is used in chemistry to represent [latex]6.022\times {10}^{23}[/latex] of something, but it can be difficult to conceptualize such a large number. Any action you take based on the information found on cgaa.org is strictly at your discretion. 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. First, marshmallows are made mostly of sugar, while lead is a heavy metal. 2.8: Atoms and the Mole - How Many Particles? 19. However, because marshmallow fluff is gluten-free and kosher, it may be a healthier option for some people. Globalizethis aggregates which sample has the largest mass 1 mole of marshmallows information to help you offer the best information support options. The most important factor is the composition of each substance. Each sample contains 6.02 1023 molecules or formula units1.00 mol of the compound or element. 2.8: The Mole. fjords, norway cruise capital radiology 157 scoresby road boronia capital radiology 157 scoresby road boronia The mole is an amount unit similar to familiar units like pair, dozen, gross, etc. 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. This means that marshmallows are much lighter than lead. Why is the mole an important unit to chemists? View solution > View . 0.8 mole of O 2 - ; No of moles of O 2 = 0.8, Mass of one mole of O 2 = 2 x . Find the number of carbon atoms by multiplying Avogadros number by the number of moles: [latex]\frac{3104\cancel{\text{carats}}\times \frac{200\cancel{\text{mg}}}{1\cancel{\text{carat}}}\times \frac{1\cancel{\text{g}}}{1000\cancel{\text{mg}}}}{12.011\cancel{\text{g}}\cancel{{\text{mol}}^{-1}}\left(6.022\times {10}^{23}\cancel{{\text{mol}}^{-1}}\right)}=3.113\times {10}^{25}\text{C atoms}[/latex], 23. One mole equals 6.02 x 10 23 particles. This difference in mass is due to the different types of atoms that make up each substance. The density of marshmallows is 0.5 grams per cubic centimeter. The water is necessary to keep them hydrated and the gelatin helps create their spongy texture. How many moles of the substance do you have? From the moles, calculate the number of atoms and the mass of the elements involved. Explain why. In the compound (NH4)2S20 3, which element is present in the largest percent by mass? which sample has the largest mass 1 mole of marshmallows Define the following term. When he returns to the nursing unit, his stomach is soft but quite distended. 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. A large marshmallow might weigh the same as a small piece of lead, but it will take up a lot more space. Is the gravitational force between 1 kg of lead and Earth the, which one of the samples has the largest mass?A.1 mole of CO2 . What is the amount in moles of each elemental sample? 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. How many carbon atoms are in the same sample? Which sample has the largest mass? A) 1 mole of marshmallows - Brainly nceptual (A), 3.PQ-L. pnceptuci Which sample has the largest mass? A mole is defined as the amount of substance containing the same number of discrete entities (atoms, molecules, ions, etc.) A 10 gram sample of which substance contains the greatest number of hydrogen atoms? 7. From left to right (bottom row): 32.1g sulfur, 28.1g silicon, 207g lead, and 118.7g tin. One mole of (NH)CrO contains: one mole of nitrogen. (b) Which has the greatest mass? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 8.4 Gas Laws | The Basics of General, Organic, and Biological Chemistry That depends on what you are looking for. The SI unit of Avogadro's number is inverse . The result is in agreement with our expectations as noted above, around 0.04 g Ar. What is the difference between "cotton candy " and "marshmallow Whats the Difference Between a Real Marshmallow and a Lucky. The mole provides a method for how to count atoms in a sample. The mass of each compound is as follows: 15. A mole of carbon contains 6 . Weight or volume? 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. This amount is [latex]\frac{51.9\text{g cereal}}{60.0\text{g serving}}=0.865[/latex] servings, or about 1 serving. Answers One : Question Lists Recent : PLEASE WALK ME THROUGH THIS: The bus to the exposition averaged 18 miles to a gallon of gas. 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. This can be done by using the density of marshmallows. 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? The Mole. 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. Menu. How many C4H10 molecules are contained in 9.213 g of this compound? Expert Answer. Sugar is made up of carbon, hydrogen, and oxygen, while lead is made up of mainly lead and trace amounts of other metals. Study.com, 9.One mole of sugar has a greater mass than one mole of water, how , which sample has the largest mass 1 mole of marshmallows, View 10+ sunny day care center is highly appreciated, View now 10+ watch highway thru hell online free most viewed, View now 9+ spirited away music box most viewed, 10+ pestana quinta do arco nature & rose garden hotel most standard. To go from grams of sucrose to moles of sucrose, use the molar mass of the compound. Required fields are marked *. A) particles in 1 mol of a substance. Marshmallows are made of sugar, starch, cornstarch and some flavorings. 3.0 1024lmolecules O2 1 mol O2 6.022 1023lmolecules O2 = 4.98 mol O2. So, in order to have a mole of sugar, for example, you need to have #6.022 * 10^(23)# molecules of sugar. Marshmallows are usually made from a mixture of sugar, cornstarch, and gelatin. A) 1 mole of Chegg, 2.Solved PQ-1. How many molecules of NaCl does that contain? the number of moles of hydrogen peroxide in 1.00 g of the substance. To do this, we simply need to multiply the mass of one marshmallow by the Avogadro's number. According to the definition of the mole, 12 g of 12C contains 1 mole of 12C atoms (its molar mass is 12 g/mol). That mass is called 1 mole of the element. A) 1 mole of marshmallows. 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 lead is a metal and marshmallows are made mostly of sugar and air. How many moles of Be are in a thin-foil window weighing 3.24 g? This means that the sample with the largest mass of 1 mole of marshmallows would be the one with the greatest number of marshmallows. four moles of hydrogen. One 55-gram serving of a particular cereal supplies 270 mg of sodium, 11% of the recommended daily allowance. Our bodies synthesize protein from amino acids. D) All of these have the same mass. Calculate the molar mass of each of the following compounds: Calculate the molar mass of each of the following: Calculate the molar mass of each of the following minerals: Determine the number of moles of compound and the number of moles of each type of atom in each of the following: [latex]3.06\times {10}^{-3}\text{g}[/latex] of the amino acid glycine, C, 0.125 kg of the insecticide Paris Green, Cu. Mathematically, this is written as. Answered: Which of the following samples has the | bartleby . (credit: modification of work by Mark Ott). 10 grams of H2. Hard. If a copper penny weighing 3.045g3.045 \mathrm{~g}3.045g is dissolved in a small amount of nitric acid and the resultant solution is diluted to 50.0mL50.0 \mathrm{~mL}50.0mL with water, what is the molarity of the Cu(NO3)2\mathrm{Cu}\left(\mathrm{NO}_3\right)_2Cu(NO3)2 ? What is the mass of 0.443 mol of hydrazine, N2H4? So, which is more important? Explain why. Since the amount of Ar is less than 1 mole, the mass will be less than the mass of 1 mole of Ar, approximately 40 g. The molar amount in question is approximately one-one thousandth (~103) of a mole, and so the corresponding mass should be roughly one-one thousandth of the molar mass (~0.04 g): In this case, logic dictates (and the factor-label method supports) multiplying the provided amount (mol) by the molar mass (g/mol): [latex]9.2\times {10}^{-4}\cancel{\text{mol}}\text{Ar}\left(\frac{39.95\text{g}}{\cancel{\text{mol}}\text{Ar}}\right)=0.037\text{g Ar}[/latex]. Additionally, marshmallows are often white or light colored, while lead is typically a dark gray color. Sample Questions - Chapter 2 - Texas A&M University It provides a specific measure of the number of atoms or molecules in a bulk sample of matter. In fact, one cubic centimeter of lead weighs in at a whopping 11 grams. The density of a substance is the mass of the substance divided by the volume of the substance. Which sample has the largest mass? This can be done by using the density of marshmallows. A. the n = 3 shell has no f subshell, When two atoms with different electronegativities are bonded together, a bond_ exists. mrs elliott WordPress.com, 5.Chapter 3 formula calculations and mole Flashcards Quizlet, 7.What is the Mole Concept? Explain why.. Calculation:- 16 grams of O 2 - ; No. How does insulin stimulate glycogen synthesis. which sample has the largest mass 1 mole of marshmallows. 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. (A) CaC03 (B) CaS03 (C) Li2C03 (D) LbS03. How many hemoglobin molecules is this? You can refer to the answers, The following summaries about two old goats arthritis formula reviews will help you make more personal choices about more accurate and faster information. What is this quantity in grams? What is the mass of Ar in a liter of air? Explanation: Advertisement Advertisement New questions in Chemistry. A 10.000 g sample of water contains 11.19% H by mass. There are many factors to consider when determining which substance is more dense, marshmallows or lead. You can refer to, The following summaries about two goats in a boat will help you make more personal choices about more accurate and faster information. [latex]9.545\times {10}^{22}\text{molecules }{\text{C}}_{4}{\text{H}}_{10}\text{; }9.545\times {10}^{23}\text{ atoms H}[/latex]. Which sample has the largest mass?

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