You have a sample of hydrocarbon of unknown formula. You only know that the molecule contains ONLY C and H. You analyze the hydrocarbon by combusting a 1.230 g sample in excess oxygen to produce CO2 and H2O. You collect 3.726 g of CO2 produced by the reaction. a.) Determine the moles of CO2 produced. b.) Determine the moles and grams of C in the CO2 produced. Note that this is the same as the moles and grams of C in your hydrocarbon sample. c.) Determine the g and moles of H in the hydrocarbon sample. d.) Determine the molar ratio of H to C in your sample. e.) Based upon your calculations above, what is the empirical formula of the hydrocarbon?
You have a sample of hydrocarbon of unknown formula. You only know that the molecule contains ONLY C and H. You analyze the hydrocarbon by combusting a 1.230 g sample in excess oxygen to produce CO2 and H2O. You collect 3.726 g of CO2 produced by the reaction. a.) Determine the moles of CO2 produced. b.) Determine the moles and grams of C in the CO2 produced. Note that this is the same as the moles and grams of C in your hydrocarbon sample. c.) Determine the g and moles of H in the hydrocarbon sample. d.) Determine the molar ratio of H to C in your sample. e.) Based upon your calculations above, what is the empirical formula of the hydrocarbon?
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter9: Chemical Quantities
Section: Chapter Questions
Problem 9QAP: onsider the balanced chemical equation :math>4Al(s)+3O2(g)2Al2O3(s). at mole ratio would you use to...
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You have a sample of hydrocarbon of unknown formula. You only know that the molecule contains ONLY C and H. You analyze the hydrocarbon by combusting a 1.230 g sample in excess oxygen to produce CO2 and H2O. You collect 3.726 g of CO2 produced by the reaction.
a.) Determine the moles of CO2 produced.
b.) Determine the moles and grams of C in the CO2 produced. Note that this is the same as the moles and grams of C in your hydrocarbon sample.
c.) Determine the g and moles of H in the hydrocarbon sample.
d.) Determine the molar ratio of H to C in your sample.
e.) Based upon your calculations above, what is the empirical formula of the hydrocarbon?
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