Mass percent of carbon in aspirin

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20 января, 23:36

Mass percent of carbon in aspirin

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Феодотия · Answer 1

First we calculate the mass of one mole of aspirin. Molecular weight of C₉H₈O₄ is 180. M ass of 9 moles of C is 12*9 = 108 g.

The mass percent of a component is defined: mass of component/total mass of sample * 100%

Calculate the mass percent of carbon: 108/180*100% = 60%.

ANS: 60%