x previous| 11 of 13 Exercise 6.74 Part A A 0.45-g sample of aspirin is decompos

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x previous| 11 of 13 Exercise 6.74 Part A 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 0.16g O Calculate the mass percent composition of C, H, and O in aspirirn. Express your answers to two significant figures. Enter your answers numerically separated by commas mass % C, mass % H, mass % Submit My Answers Giva Up My Answers Give Up Proxde Feedhack Contnue Screen Sh Screen Shot 2017-0...3.31 PM Screen Shot 0 3.50 AM 2017-0 0.05 AM 2017-0 8.53 PM/2017-0

Explanation / Answer

mass of aspirine     = 0.45g

mass percen of C% = 0.27*100/0.45   = 60%
mass percent of H% = 0.02*100/0.45 = 4.44%
mass percent of O% = 0.16*100/0.45 = 35.56%

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