Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question

Laboratory: esters and preparation of aspirin

1. Why is water added in two separate portions to the acetic anhydride/concentrated H2SO4 mixture? 2. What two techniques are used to facilitate the aspirin crystallization? 3. Why is it necessary to air dry the aspirin?
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Transcribed Image Text:1. Why is water added in two separate portions to the acetic anhydride/concentrated H2SO4 mixture? 2. What two techniques are used to facilitate the aspirin crystallization? 3. Why is it necessary to air dry the aspirin?
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