C7H6O3(s) + C4H6O3(l) → C9H8O4(s) + C2H4O2(1) A student is asked to prepare 94.45 g of aspirin. She is told that salicylic acid is the limiting reagent and that the reaction typically has a 32.3% yield. She is also told to use a 41.0% excess of acetic anhydride. How many grams of acetic anhydride should she use? Round your final answer to three significant figures.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Question:
Aspirin (C9H8O4) is prepared by reacting
salicylic acid (C7H6O3) with acetic
anhydride (C4H6O3) according to the
balanced equation:
C7H6O3(s) + C4H₁O3(l) → CH8O4(s) +
C₂H4O2(1)
A student is asked to prepare 94.45 g of
aspirin. She is told that salicylic acid is the
limiting reagent and that the reaction
typically has a 32.3% yield. She is also
told to use a 41.0% excess of acetic
anhydride. How many grams of acetic
anhydride should she use? Round your
final answer to three significant figures.
answer in g C4H6O3
Transcribed Image Text:Question: Aspirin (C9H8O4) is prepared by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3) according to the balanced equation: C7H6O3(s) + C4H₁O3(l) → CH8O4(s) + C₂H4O2(1) A student is asked to prepare 94.45 g of aspirin. She is told that salicylic acid is the limiting reagent and that the reaction typically has a 32.3% yield. She is also told to use a 41.0% excess of acetic anhydride. How many grams of acetic anhydride should she use? Round your final answer to three significant figures. answer in g C4H6O3
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