(a) The characteristic odor of pineapple is due to ethyl butyrate,a compound containing carbon, hydrogen, and oxygen.Combustion of 2.78 mg of ethyl butyrate produces 6.32 mgof CO2 and 2.58 mg of H2O. What is the empirical formulaof the compound? (b) Nicotine, a component of tobacco, iscomposed of C, H, and N. A 5.250-mg sample of nicotine wascombusted, producing 14.242 mg of CO2 and 4.083 mg ofH2O. What is the empirical formula for nicotine? If nicotinehas a molar mass of 160 ±5 g/mol, what is its molecularformula?

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter5: Stoichiometry
Section: Chapter Questions
Problem 178CP: You take 1.00 g of an aspirin tablet (a compound consisting solely of carbon, hydrogen, and oxygen),...
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(a) The characteristic odor of pineapple is due to ethyl butyrate,
a compound containing carbon, hydrogen, and oxygen.
Combustion of 2.78 mg of ethyl butyrate produces 6.32 mg
of CO2 and 2.58 mg of H2O. What is the empirical formula
of the compound? (b) Nicotine, a component of tobacco, is
composed of C, H, and N. A 5.250-mg sample of nicotine was
combusted, producing 14.242 mg of CO2 and 4.083 mg of
H2O. What is the empirical formula for nicotine? If nicotine
has a molar mass of 160 ±5 g/mol, what is its molecular
formula?

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