Aspirin is a remarkable analgesic (painkiller) that also appears to prevent certain heart conditions From its chemical formula, C 9 H 8 O 4 , calculate the percentage by mass of each element in aspirin Strategy A flow diagram outlines the strategy for this problem Th e formula is used to calculate ...

First calculate the molecular mass of aspirin 9C 9 x 1201 u 10809 u 8H 8 x 101 u 808 u ...

Aspirin is a remarkable analgesic (painkiller) that also appears to prevent certain heart conditions. From its chemical

Question:

Aspirin is a remarkable analgesic (painkiller) that also appears to prevent certain heart conditions. From its chemical formula, C₉H₈O₄, calculate the percentage by mass of each element in aspirin.

Strategy

A flow diagram outlines the strategy for this problem. Th e formula is used to calculate the masses of each element in the compound, and those numbers are used to calculate the percentage composition. Subscripts in formula Atomic mass Masses of elements and compound Mass of element Mass of compound X 100%