Told that she should use a 500 excess of acetic anhydride, Chemistry

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Told that she should use a 500 excess of acetic anhydride

Aspirin C9H8O4 is prepared by reacting salicylic acid, C7H6O3, with acetic anhydride, C4H6O3 in the reaction

2C7H6O3(s) + C4H6O3(l) > 2C9H8O4(s) + H2O(l)

A student is told to prepare 25.0g of aspirin, she is as well told that she should use a 50.0% excess of acetic anhydride as well as expect to get a 65.0 % yield in the reaction. Explain how many grams of salicylic acid as well as of acetic acid should she use?

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Chemistry: Told that she should use a 500 excess of acetic anhydride

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