Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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1.) When 1.494 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 4.687 grams of CO2 and 1.919 grams of H2O were produced.
In a separate experiment, the molar mass of the compound was found to be 28.05 g/mol. Determine the empirical formula and the molecular formula of the hydrocarbon.
2.) When 6.669 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 20.92 grams of CO2 and 8.567 grams of H2O were produced.
In a separate experiment, the molar mass of the compound was found to be 56.11 g/mol. Determine the empirical formula and the molecular formula of the hydrocarbon.
3.) A 8.838 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 11.21 grams of CO2 and 3.061 grams of H2O are produced.
In a separate experiment, the molar mass is found to be 104.1 g/mol. Determine the empirical formula and the molecular formula of the organic compound.
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