A compound has the composition given in the table below. Molar masses of the elements are also provided. Determine the empirical formula. element Cr C 12.7 12.0 Mass % 36.6 50.7 % Molar mass 52.0 16.0 g/mol

Q: empirical formula

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Q: A flask contains 0.470 mol of liquid bromine, Br2. Determine the number of bromine molecules present…

A: It is given that there is 0.470 mol of liquid bromine.

Q: A mineral sample is obtained from a region of the country that has high arsenic contamination. An…

A: Given :-  Percent composition of Zn = 23.4 %  Percent composition of As = 53.7%  Percent composition…

Q: A compound contains only carbon, hydrogen, nitrogen, and sulphur. A combustion analyzer collects…

A: Given, A compound contains only carbon hydrogen, nitrogen and sulpur. The combustion analyzer…

Q: Calculate mass percent of each element in perchoric acid, HCLO4 ?

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Q: Analysis of a particular compound results in a mass percent composition of 57.14% C, 4.80% H, and…

A: From the CHN analysis we can calculate the empirical formula .

Q: A particular carborane has the following mass percentages: 26.35%C and 59.28%B. What is the…

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Q: A 18.92 gram sample of copper is heated in the presence of excess fluorine. A metal fluoride is…

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Q: Complete the table. Element Moles Mass Cr 0.00442 Fe 73.5 mg Ti 1.009 x 10-3 Hg 1.78 kg

A: Mole is represented by the symbol mol. It is unit of measurement of substance. Mass is defined as…

Q: A compound consisting of B, N, and H undergoes elemental analysis. The % composition by mass is…

A: Given,Percent of B in the compound = 40.28 %Percent of N in the compound = 52.20 %Percent of H in…

Q: Combustion analysis of a hydrocarbon produced 33.01 g CO2 and 13.51 g H2O. Calculate the empirical…

A: Solution Given data, The amount of CO2 = 33.01g The amount of H2O = 13.52g Number of moles of…

Q: An organic compound consists of Carbon, hydrogen and sulfur. Complete combustion of 3.50 g this…

A: The given compound consist of carbon, hydrogen and sulfur. We have to determine the empirical…

Q: A flask contains 0.390 mol of liquid bromine, Br2. Determine the number of bromine molecules present…

A: Given, Number of moles = 0.390

Q: The percent composition by mass of an unknown compound with a molecular mass of 120.104 u is 40.002%…

A: Given ; percentage of atoms

Q: A mineral sample is obtained from a region of the country that has high arsenic contamination. An…

A: First calculate percentage ratio  of mole then form formula

Q: Calculate the empirical formula for a compound with 30.43% N and 69.57% Oby mass. N20 O N2O5 O NO2

A: To solve this problem we have to calculate the empirical formula of the compound .

Q: Determine the empirical formula of a compound having the following elemental analysis: 52.2% C;…

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

Q: A compound is 80.0% carbon and 20.0% hydrogen by mass. Assume a 100.-g sample of this compound. The…

A: Given, Mass % of C = 80.0 % Mass % of H = 20.0 % Mass of the compound = 100 g Empirical formula of…

Q: Complete the table below for calculating the molar mass of the compound carbon tetrachloride. Molar…

A: The complete table for the molar mass of the compound carbon tetrachloride is given below, 1mole of…

Q: What is the empirical formula of a compound that contains 63.25% Xe and 36.66%F by mass?

A: Empirical formula :-  The simplest formula which shows only relative number of different atoms…

Q: A compound has a molar mass belween 165 - 170g. the percentage composition by mass values are…

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Q: 2. Calculate the number of molecules of water in a 500.0-mL glass of water. (Note: assume density of…

A: • As per bartleby guidelines, I need to solve only first question in case of multiple questions…

Q: When 2.115 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 6.637 grams…

A: First of all we calculate the mass of Carbon in Carbon dioxide and mass of Hydrogen in water. Then…

Q: A compound with the empirical formula CH2CH2 has a molar mass of 112112 g/mol. What is the molecular…

A: Solution,  The above question belong to some basic concept of chemistry. Empirical formula is the…

Q: What is the molar mass of phosphorus pentachloride (PC15)? O 190.30 g/mol O 208.22 g/mol O 172.75…

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Q: A compound contains carbon, hydrogen, and sulphur. A combustion analyzer collects 45.0 g of CO2,…

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Q: Combustion analysis of a hydrocarbon produced 33.01 g CO2 and 4.83 g H2O. Calculate the empirical…

A: Given : Mass of CO2 produced = 33.01 g Mass of H2O produced = 4.83 g And the compound is…

Q: Calculate the percent composition by mass of each element in Al(OH)3. Use at least three significant…

A: 1 mol of Al(OH)3 contains 1mol of Al, 3 mol of O and 3 mol of H atoms.  Molar mass of Al(OH)3 =…

Q: Complete the table of compounds that contain only car- bon and hydrogen. % c % H Formula Molar Mass…

A: Alkanes are saturated compounds containing only carbon and hydrogen atoms. These are also called as…

Q: Determine the empirical formula of the compound according to its elemental analysis: 38.13% C by…

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Q: Combustion analysis of a compound yields: C 78.52%, H 8.39%, N 8.33%, and O 4.76%. Determine the…

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Q: A strikingly beautiful copper compound with the common name “blue vitriol” has the following…

A: Since the compound is having Cu, S, H and O hence we can say that the empirical formula of compound…

Q: What is a MOLE? O Aunit of substance containing a certain amount expressed in grams O Aunit of…

A: The given question asks to select the right option that accurately defines a mole of any substance.

Q: A 0.5998-g sample of a new compound has been analyzed and found to contain the following masses of…

A: Given, mass of sample of compound = 0.5998 g The sample contains, mass of Carbon (C) = 0.2322 g mass…

Q: Which of the following has the smallest mass? I. 18 g H2O II. 1.0 × 1024 H2O molecules III. 0.50…

A: In the above question different expression for measuring the mass are provided. These expressions…

Q: What is the molecular formula of a compound

A: Given :- molar mass of compound  = 220 g/mol            Empirical formula = P2O3.  To find :…

Q: Part D. A 28.50 g sample of a compound of carbon, sulfur, hydrogen, and combusted (burned). 35.25 g…

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Q: Determine molecular formula. An organic compound that only contains C, H, and O was subjected to…

A: Since the compound is made up of only C, H and O. Hence we can assume the empirical formula of…

Q: A 11.21 g sample of Mo₂O3(s) is converted completely to another molybdenum oxide by adding oxygen.…

A: Number of mol = Mass/molar mass

Q: a compound contains only hydrogen, carbon, and oxygen. combustion of 10.68mg of the compound…

A: The combustion reaction of given compound and its masses are shown below,

Q: A sample of naphthalene was analyzed in the laboratory and it was determined that the sample…

A: Number of moles (mol) = Given mass (g)Molar mass (g/mol)Given that:Number of moles= 0.457 molesMolar…

Q: bromine carbon chlorine hydrogen % of Total Mass 41.7 18.8 36.8 2.6 Atomic Mass 79.9 12.0…

A: The mass percentage of bromine, carbon, chlorine, and hydrogen is 41.7%, 18.8%, 36.8%, and 2.6%,…

Q: A compound is 7.7% (by mass) hydrogen and 92.7 % carbon. It has a molecular weight of 52 g/mole.…

A: Empirical formula are the formula which represent simplest ratio of an element present in a given…

Q: A mineral sample is obtained from a region of the country that has high arsenic contamination. An…

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