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Aspirin (C9H8O4) is synthesized by reaction salicylic acid (C7H6O3) with acetic anhydride (C4H6O3). The balanced equation is:

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a) What mass of acetic anhydride is needed to completely consume 1.00 x 10^2g salicylic acid?
b) What is the maximum mass of aspirin (the theoretical yield) that could be produced in this reaction?

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a) To answer this question one needs to remember that the stoichiometry of chemistry is based on moles and never on grams, so we will need to convert the 100 grams of salicylic acid into moles by dividing by the molar mass.

Salicylic Acid
7 x 12 = ...

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