An unknown compound has a molar mass of 236.7 g/mol. Given a percent composition by mass of 10.13% carbon and 89.87% chlorine, determine the molecular formula of the compound.

Q: molecular formula for this compound

A: The empirical formula of compound is CH2 The empirical formula mass of compound is 14.0 g The molar…

Q: A compound contains only C, H and S. Combustion of 45.0 g of the compound produces 75.4 g CO2 and…

A: Since all the carbon in CO2 is coming from the compound only  Hence moles of C in CO2 =  moles of C…

Q: ind the percentage composition: a. Sodium Carbonate tetra hydrate Na2CO3 .4H2O b. Zinc Phosphate

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Q: Determine the molecular formula of a compound that contains 26.7% P, 12.1% N, and 61.2% Cl, and has…

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Q: Complete the table below for calculating the molar mass of the compound nitrogen dioxide. Mass in…

A: Element Molar mass of element   Moles   Mass in one mole of Nitrogen Dioxide Nitrogen(N2)…

Q: Determine the empirical and molecular formula for a compound that gives the following percentages…

A: Assuming we have 1 mole of compound Hence mass of compound = 1 X molar mass = 98.96 g Since the mass…

Q: Determine the chemical formula of compound and use it to calculate the mass percent composition of…

A: Calculate the mass percent composition of constituent element in phosphorus pentachloride. In the…

Q: A compound of molar mass 229 g/mol contains only carbon, hydrogen, iodine, and sulfur. The analysis…

A: The ratio of the mass of carbon to hydrogen = 6:1 The ratio of moles of carbon and hydrogen =

Q: Determine the molecular formula of a compound with molar mass of 92.0 g/mol and an empirical formula…

A: To determine the molecular formula of a compound with a molar mass of 92.0 g/mol and an empirical…

Q: Difine the term molar mass

A: Molar mass is a physical properties of a substances

Q: Determine the molecular formulas to which the following empirical formulas and molar masses pertain.…

A: (a)The molecular formula of SNCl with molar mass 244.59g/mol is

Q: Calculate the molar mass of Al2 O3. Molar mass = = g/mol Calculate the molar mass of Al(NO3)3. Molar…

A: given :-  molecular formula :  Al2O3  Al(NO3)3  To be calculated :-  molar mass of given compounds

Q: Calculate the molar mass of the substance CuSO4

A: Molar Mass :  Molar Mass is Sum of mass of each element in a molecule. Given molecule : CuSO4 Molar…

Q: 2. A compound was analyzed and found to have the following percentage composition by mass: Cu:…

A: Given composition of compound : Cu= 49.73% P= 16.28 % O= 33.99 %

Q: How many molecules are in 3.1x10^-3 g of C9H8O4?

A:

Q: Determine the chemical formula of compound and use it to calculate the mass percent composition of…

A: Potassium chromate The chemical formula is K2CrO4. Molar mass of K = 2 (39.09 g/mol) = 78.18 g/mol.…

Q: Click in the answer box to activate the palette. Determine the empirical formula of a compound…

A: Element % K 24.74 Mn 34.76 O 40.50

Q: What is mass percent composition? Why is it useful?

A: Mass percent composition refers to the mass of the component in 100 g of the solution.

Q: Determine the molar mass of iron (III) bromide hexahydrate, a substance used as a catalyst in…

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Q: A compound has a molecular weight of 168 g/mole and has the following percentage composition by…

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Q: How many moles of potassium cyanide, KCN, are present in a sample containing 67.1 grams of the…

A: Given, Mass of potassium cyanide (KCN) = 67.1 g Moles of potassium cyanide (KCN) = ? Note:  Molar…

Q: Determine the molecular formula of a compound that has a molar mass of 183.2 g/mol and an empirical…

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements…

Q: Cinnamic alcohol is C9H10O. Calculate the percent composition by mass of C,H, and O in cinnamic…

A: Given :-  a) molecular formula of cinnamic alcohol = C9H10O  Mass of cinnamic alcohol = 0.942 g  To…

Q: Calculate the molar mass of CaCO3 and then calculate the amount of substance in 150.0g CaCO3

A: To calculate the molar mass of CaCO3 we need to know the atomic mass of each elements. And those are…

Q: What is the mass in grams of one molecule of propanol, C3H7OH? Avogadro's constant 6.0 x 1023 mol-1…

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Q: A compound with the empirical formula CH2 has a molar mass of 56 g/mol. What is the molecular…

A: Applying formula Molecular formula= (empirical formula)n

Q: A compound has an empirical formula of CH2. An independent analysis gave a value of 70 g/mol for its…

A: Empirical formula is defined as the simplest positive integer ratio of each atom that are supposed…

Q: . Calculate the % composition and determine the empirical and molecular formulas for the nitrogen…

A: Given : mass of Nitrogen i.e N = 12.04 g And mass of product = 39.54 g Since mass of product = mass…

Q: Formula Molar mass of ion   Number of ions   Mass of ion in one mole of barium iodide Cation Ba2+…

A: We have to just collect data and then add them up

Q: A compound with the empirical formula CH2 has a molar mass of 84 g/mol. What is the molecular…

A: * Emperical Formula is the simplest integer ratio of atom present in a compound . It does not tell…

Q: Calculate the molar mass of lead(II) nitrate, Pb(NO3)2(s)

A: The molar mass is the sum of masses of all the atoms present in compound.

Q: Given the empirical formula of NO2 and a molar mass of 92.0 g/mol, what is the molecular formula?

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Q: 1. What is the molecular formula of the molecule that has an empirical formula of CH2CI and a molar…

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Q: What amount (moles) is represented by each of these samples? a. 150.0 g Fe2O3 b. 10.0 mg NO2 c. 1.5…

A: a) Given : Mass of Fe2O3 = 150.0 g

Q: Determine the chemical formula of compound and use it to calculate the mass percent composition of…

A: The chemical formula is defined as a representation of a compound and the number of atoms present in…

Q: If a 50 g sample is composed of 45 g C and 5 g H, what is its empirical formula?

A: 50g of the compound is have 45 g carbon and 5 g of hydrogen. Therefore the compound have (45g ÷12…

Q: Complete the table below for calculating the molar mass of the compound boron trifluoride. B LL F…

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Q: Determine the molecular and empirical formulas of a compound containing 141.34 g C, 25.893 g H, and…

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Q: How many molecules are in 16.1 g of C8H10?

A: Mass of C8H10 = 16.1 g

Q: Determine the Empirical Formula and Molecular Formula

A: Given, % mass of C = 75.69% % mass of H = 8.80% % mass of O = 15.51 % Molar mass of compound =…

Q: Determine the chemical formula of compound and use it to calculate the mass percent composition of…

A: The mass percentage of a component in a solution is given by the expression: Mass percentage=Mass of…

Q: A compound contains 12.8% C, 2.1% H, and 83.1% Br (by mass). Calculate the empirical formula and the…

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Q: A compound with the empirical formula CH2 has a molar mass of 98 g/mol. What is the molecular…

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Q: A compound is analyzed and determined to have the following percent-by-mass composition: 60.95%…

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Q: KHP grams Molar Mass of KHP (A2) 204.22 g/mol moles KHP 1.009 (A11) %3D 204.22 g/mol

A: Mass = 1.009 g Molar mass of KHP = 204.22 g/mol Moles = mass/MM    = 1.009/204.22 = 0.00494 mol

Q: Complete the table below for calculating the molar mass of the ionic compound calcium iodide .…

A: To understand the heneralconcept , you should know some of the given points; •Molar mass is the mass…

Q: 8. A chemical compound is determined to have a percent composition of 23.54% C, 1.976% H, and 74.48%…

A: The empirical formula of a compound shows the number of atoms in terms of the smallest whole number…

Q: Number of atoms in 0.2 g molecule Br3O3 is (molar mass of Br3O8 is 368 g mol-') (1) 0.22 NA (2) 2.2…

A: Given: Mass of Br3O8 = 0.2 g And molar mass of Br3O8 = 368 g/mol.