There are ______ atoms of carbon in 12.77 g manganese (III) oxalate. _______ grams of zinc arsenite contains 4.5 x 1024 atoms of arsenic. 7.77 g of titanium (II) carbonate _______ contains moles of carbon. Proovide answers as only numbers without units.

Q: . How many oxygen atoms are in 76.3 g N2O4? Conversion must be set-up in one step using dimensional…

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Q: A compound is 47.35% carbon by mass, 10.60% hydrogen by mass and 42.05% oxygen by mass. What is the…

A: Calculating empirical formula.

Q: Complete the table MOLAR REPRESENTATIVE NO. OF NO. OF SUBSTANCE MASS (g) MASS PARTICLE MOLES…

A: Carbon dioxide , Molar mass =  44.01  Representative particle :- Molecule Number of moles = 2.5…

Q: 1. Silver chloride, used in silver plating, contains 75.27% Ag. Calculate the mass of silver…

A: Note: According to the rules we can solve only first part. Pls repost other. Given: Percentage of…

Q: 91. Calculate the mass in grams of each of the following samples. a 10,000,000,000 nitrogen…

A: as per Q&A guidelines of portal I solve first three parts of the question because it comes under…

Q: 41. Calculate the number of moles of carbon atoms present in each of the following samples. a. 1.271…

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Q: Which of the following pairs of compounds have the same empirical formula? a. acetylene, C2H2, and…

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Q: S. A compound contains 29.41% calcium, 23.53% sulfur, and 47.06% oxygen. What's the empirical…

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Q: Complete the Avogadro's Statement for the element hydrogen: 1 mole of hydrogen hydrogen atoms =…

A: A mole is defined as that amount of the substance which has mass equal to gram atomic mass if the…

Q: 1. 84 g of CsH&O6 contains 6.02 x 1023 molecules.

A: Molar mass of C5H8O6 = 5×12 + 8×1+ 6 × 16 = 164 g 1 mol of any substance contains= 6.022×1023…

Q: How many moles of tin, Sn are needed to give 1.39x1022 tin atoms? Starting Unit (include substance):…

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Q: What is the weight of the grams of Na equivalent to the same number of atoms as those in 15 g of K?

A: Given: Mass of potassium= 15 g  The molar mass of potassium = 39.098 g/mol Moles of potassium=Mass ÷…

Q: Assume that the ratio of moles of Cl to moles of Cu are 1.84.  If we can represent the formula by…

A: The ratio of moles of any two substances in a balanced chemical reaction is called molar ratio.…

Q: Bulk platinum cost about $1158 dollars per ounce. (28.35 g = 1 ounce) how many moles of platinum…

A: Given : 28.35 g = 1 ounce Cost of 1 ounce = $1158 Calculate : moles of platinum  purchase with…

Q: Which of the following statements is/are correct? atoms of carbon-12 H. A mole of iodine atoms…

A: The statements given are,

Q: Zinc Oxide decomposes into zinc and oxygen. If 52.1 g of zinc oxide decomposes to form 41.8 g of…

A: Given,52.1 g of zinc oxide, 41.8 g of zinc.The balanced chemical reaction of decomposition of zinc…

Q: A sample of NH3 has a mass of 84.06 grams.   Calculate the moles of NH3 in the sample.…

A: Given : Mass of NH3 = 84.06 g

Q: There are ________ atoms of hydrogen in 300 molecules of CH3CO2H.

A: It is given that there are 300 molecules of CH3CO2H.

Q: Part B 118 mg C6 H12O6 in 5.01 g H20 Express your answer as a percentage. ? mass % = % Submit…

A: Mass% = (mass of solute/mass of Solution) x 100

Q: Assume that the ratio of moles of Cl to moles of Cu are 2.7.  If we can represent the formula by…

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Q: cond A B C D sketch of molecules in it H H C1O H-Ö C нӧ- H H :O: H H H-Ö H-Ö C H C || :0: C O: 010…

A: first, we have to find empirical formula of the given compounds

Q: Avogadro’s number is defined as   the number of atoms in exactly 12 g of carbon-12. the number of…

A: Which one of the following is correct

Q: 1: How many carbon atoms are present in a mole of ¹2C? 12 Express your answer using four significant…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: There are ________ atoms of hydrogen in 300 molecules of CH3CO2H.

A: 1 mol contains 6.022 x 1023 molecules  1 mol CH3COOH contains 4 mol H atoms

Q: What mass of silver has the same number of atoms as 310.6 g of magnesium? Express your answer…

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Q: How many moles are equal to 2.40 x 1023 formula units of sodium chloride? Round to two decimal…

A: Since, Avogadro number (6.022 × 1023) of formula units are equal to 1 mole of any substance…

Q: a. How many ATOMS of boron are present in 5.24 grams of boron trifluoride? atoms of boron. b. How…

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: Consider the following made-up compound: D₂Z4 Determine the number of moles of D₂Z4 in 4.5 x 1023…

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Q: A compound is 54.53% C, 9.15% H, and 36.32% O by mass. What is its empirical formula? Insert…

A: Empirical formula of a substance represents the simplest ratio in which different elements are…

Q: Calculate the number of moles in each sample. 74.9 g HCCl3 Express your answer with the…

A: Given samples,    74.9 g HCCl3    10.7 g C6H12O6    28.4 kg C2H4    22.6 g of dinitrogen monoxide

Q: Which of the following pairs of compounds have the same empirical formula? a. acetylene, C2H2, and…

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Q: 4.61×1021 CaCa atoms Express your answer using three significant figures.    How many moles of atoms…

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Q: In order to calculate the percentage composition by mass of a compound, it is necessary to know:…

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Q: Calculate the number of moles containing each of the following. Part A.   1.58x 1022  atoms of…

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Q: 39. Calculate the number of molecules present in each of the following samples. a. 4.75 mmol of…

A: We know that for 1 mole of any chemical compound/species,there are Avogadro's number of molecules…