A sample of a compound has a mass of 41.13 g. The sample is found to contain 37.28 g of carbon and 3.85 g of hydrogen. What is the percentage composition of the compound?

Q: Cyclohexane C6H12  (given: density= 0.77g/ml) Mass:84.9 g How many moles, molecules and total atoms…

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Q: Calculate the number of (a)nitrogen molecules (N2 molecules) (b)nitrogen atoms(N atoms) in 0.111g of…

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A: Assuming we have 1 mole of Al(NO3)3  Hence mass of Al(NO3)3  = moles X molar mass = molar mass X 1…

Q: What is the mass percentage of carbon in C6H12O3? Express your answer as a percentage (i.e., out of…

A:

Q: Calculate the number of (a) nitrogen molecules (N2 molecules) and (b) nitrogen atoms (N atoms) in…

A: From given data  Mass of N2= 0.111g  Also molar mass of N2= 28 molar mass of N = 14  Formula used…

Q: 68.5 grams of a certain compound contains 5.25 x 1023 molecules.  What is the molar mass of the…

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Q: The chemical formula of trinitrotoluene (TNT) is C7H5N3O6. What is the molecular mass of TNT?…

A: We have to find the molecular mass of trinitrotoluene (TNT) is C7H5N3O6. Atomic mass of Carbon =…

Q: Calculate the mass in grams of 1.39x10^24 molecules of methanol. The chemical formula for methanol…

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Q: What is the average mass (in grams) of a single carbon dioxide molecule? (a) 3.8 × 10-26 g (b) 7.31…

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Q: A beaker contains 48.948.9 mL of carbon tetrachloride (CCl4CCl4, density is 1.591.59 g/mL).…

A: Volume of carbon tetrachloride = 48.9 mL  Density = 1.59 g/mL  Density = mass ÷ volume

Q: A 345.21 g sample of a compound was found to contain 200.50 g of carbon and 144.71 g of hydrogen.…

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Q: If 33.3 grams of hydrogen gas were mixed with 45.55 grams of nitrogen gas, then how many grams of…

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Q: What is the average mass (in grams) of a single nitrogen dioxide molecule? A. 3.6 x 10-26 g B. 2.77…

A: Since mass of 1 molecule  = molar mass / Avogadro's number Molar mass of Nitrogen dioxide (NO2) = 14…

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Q: Calculate the percent composition by mass of calcium sulfite, CaSO3 2. Calculate the percent…

A: To Solve this problem we will calculate the percentage composition of each element present in given…

Q: How many grams will 8.53 x 1023 molecules of C6H12O6 (180.16 g/mol) weigh?

A:

Q: 5. A bottle of Ibuprofen (C,,H,,O,) contains 1.204 x 1024 molecules. How many grams of ibuprofen are…

A: The molecular weight is 206.29 g/mol means 1 mol of ibuprofen = 206.29 g of ibuprofen

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A: Mass% is equal to the ratio of mass of the atom to the total mass of molecule multiplied by 100.…

Q: What is the mass percentage of carbon in C7H11O3? Express your answer as a percentage (i.e., out of…

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Q: compound containing Sodium, Chlorine, and Oxygen is 25.42% Sodium by mass. A 3.25-gram sample gives…

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Q: Commercial solvents are commonly sold in 55-gallon drums. What is the weight in pound of the carbon…

A: Volume of the solvent = 55 gallon Volume of solvent in cc = 208198 cm3 (since 1 gallon = 3785.41…

Q: The chemical formula for diethyl amine is: (CH,CH,), NH Calculate the molar mass of diethyl amine.…

A: Atomic mass of carbon : 12.0107 u  Atomic mass of Hydrogen : 1.007844 u  Atomic mass of Nitrogen :…

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Q: A 20.0-gram sample of impure NaClO3 produces 4.72 L of oxygen (STP). What is the percentage purity…

A: Percentage purity can be calculated by back calculation of the amount of O2 should be produced.

Q: the mass, in grams,

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Q: The following quantities are placed in a container: 1.5 × 1024 atoms of hydrogen, 1.0 mol of sulfur,…

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Q: Which of the following is equal to 6.022 x 10^23 molecules? * 31.98 g Q_2

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Q: Calculate how many grams of chlorine gas are in 7.496 x 1023 atoms of chlorine gas.

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Q: What is the mass of a single molecule of sugar (C6H1206) in grams?

A: Given - 1 molecule of sugar C6H12O6 Avogadro's number  = 6.022 x 1023 molar mass of C6H12O6 =…

Q: Calculate the number of (a) nitrogen molecules (N 2 molecules) and (b) nitrogen atoms (N atoms) in…

A: Use formulas Mole=mass÷molar mass Total molecule=mole×6×1022 Total Atoms=atomicity×molecule…

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A: Limiting Reagent : The limiting reagent is a reactant species taking part in a chemical reaction…

Q: Calculate the number of (a) nitrogen molecules (N2 molecules) and (b) nitrogen atoms (N atoms) in…

A: Given the mass of nitrogen gas = 0.111g We know that molecular mass of N2 gas= 28g So calculating…

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Q: A sample of a compound has a mass of 41.13g. The sample is found to contain 37.28g of carbon and…

A: Percent composition of the compound is described as the percent of mass of each component of the…

Q: 4. A sample of acetic acid has 4.22x1024 molecules. How many grams of hydrogen are present?

A:

Q: What is the mass of a drop of methanol containing 2.90x1022 CH3OH molecules

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".