7. A 0.45 g sample of aspirin is decomposed into its and found to contain 0.27 g C, 0.020 g H, and 0.16 g O. Calculate the mass percent composition of C,H, and O in aspirin. 8. Calculate the mass percent composition of each element in each of the following compounds. a) H3PO4 b) Fe Cla
7. A 0.45 g sample of aspirin is decomposed into its and found to contain 0.27 g C, 0.020 g H, and 0.16 g O. Calculate the mass percent composition of C,H, and O in aspirin. 8. Calculate the mass percent composition of each element in each of the following compounds. a) H3PO4 b) Fe Cla
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter10: The Mole
Section: Chapter Questions
Problem 163A: Express the composition of each compound as the mass percent of its elements (percent composition)....
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