Mole ConceptMedium
Question
The commonly used pain reliever, aspirin, has the molecular formula C9H8O4. If a sample of aspirin contains 0.968 g of carbon, then what is the mass of hydrogen in the sample?
Options
A.0.717 g
B.0.0717 g
C.8.000 g
D.0.645 g
Solution
Mass of hydrogen = $\frac{8 \times 1}{9 \times 12} \times 0.968 = 0.0717g$
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