Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Stoichiometry
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QUESTION: If the sample in parts a, b, and c contained a carbon-based impurity, how would this affect the final empirical formula determined?

***Please do NOT solve parts a,b,c!! I ONLY need help with the question above about the carbon impurity.***

part a: A 10.00g unknown sample with a formula of CxHY was analyzed by combustion analysis. The sample produced 27.42g of CO2(g) and 22.46g H2O(g). Find the empirical formula of the unknown sample.

for part a I determined the empirical formula to be: CH4

part b: A 10.00 gram unknown sample containing C, H, O, was analyzed by combustion analysis. The sample produced 19.10 grams of CO2 and 11.73 grams of H2O. Find the empirical formula of the unknown sample.

for part b I determined the empirical formula to be: C2H6O

part c: A 15.00 gram unknown sample containing C, H, O was analyzed by combustion analysis. The sample produced 29.3 grams of CO2 and 20.8 grams of H2O. Find the empirical formula of the unknown.

for part c I determined the empirical formula to be: C2H8O

Once again, please do not solve parts a,b,c! I ONLY need help with the question about the the carbon-based impurity for each of them.

Thank you!

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