contestada

Aspirin, C9H8O3, is made by the reaction:

Salicylic acid + Ethanoic anhydride → Aspirin + Ethanoic acid

C7 H6 O3

+

C4

H6

O3



C9

H8

O3

+

C2

H4

O2

How many grams of salicylic acid, C7 H6 O3 , are needed to make one aspirin tablet, which contains 0.33 g of aspirin?