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3) An organic compound contains only C, H, and O. Complete combustion of a 3.185 g sample in an excess of oxygen yields 8.846 g CO2 and 2.507 g H2O. (a) What is the percent composition, by mass, of this compound? (b) What is the empirical formula of the compound? (c) If the molar mass of this compound is 206 g/mol, what is the molecular formula? (C: 12.01 g/mol; H: 1.01 g/mol; O: 16.0 g/mol)

3) An organic compound contains only C, H, and O. Complete combustion of a 3.185 g sample in an excess of oxygen yields 8.846 g CO2 and 2.507 g H2O. (a) What is the percent composition, by mass, of this compound? (b) What is the empirical formula of the compound? (c) If the molar mass of this compound is 206 g/mol, what is the molecular formula? (C: 12.01 g/mol; H: 1.01 g/mol; O: 16.0 g/mol)

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
Section4.4: Chemical Equations And Chemical Analysis
Problem 4.5CYU
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3) An organic compound contains only C, H, and O. Complete combustion of a 3.185 g sample in an excess of oxygen yields 8.846 g CO2 and 2.507 g H2O. (a) What is the percent composition, by mass, of this compound? (b) What is the empirical formula of the compound? (c) If the molar mass of this compound is 206 g/mol, what is the molecular formula? (C: 12.01 g/mol; H: 1.01 g/mol; O: 16.0 g/mol)
Transcribed Image Text:3) An organic compound contains only C, H, and O. Complete combustion of a 3.185 g sample in an excess of oxygen yields 8.846 g CO2 and 2.507 g H2O. (a) What is the percent composition, by mass, of this compound? (b) What is the empirical formula of the compound? (c) If the molar mass of this compound is 206 g/mol, what is the molecular formula? (C: 12.01 g/mol; H: 1.01 g/mol; O: 16.0 g/mol)
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