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A 0.45-g sample of aspirin is decomposed into its constituent elements 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.
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A 0.45-g sample of aspirin is decomposed into its constituent elements 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.

User Neil Twist
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Carbon- 0.27/0.45 = 0.60*100 = 60%
Hydrogen- 0.020/0.45 = 0.04*100 = 4%
Oxygen- 0.16/0.45 = 0.36*100 = 36%
User Tastybytes
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