Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 3 - Chemical Reactions - Questions for Review and Thought - Topical Questions - Page 149e: 72


130 g

Work Step by Step

Calculating how much product can be made based on the amount of each reactant, we have: $100\,g\times\frac{1\,mol\,salicylic\,acid}{138.121\,g}\,\times\frac{2\,mol\,aspirin}{2\,mol\,salicylic\,acid}=0.724\,mol\,aspirin$ $100\,g\times\frac{1\,mol\,acetic\,anhydride}{102.09\,g}\times\frac{2\,mol\,aspirin}{1\,mol\,acetic \,anhydride}=1.96\,mol\,aspirin$ Since salicylic acid makes the least amount of product, it is the limiting reactant. Therefore, the maximum mass of aspirin that can be obtained= $0.724\,mol\,aspirin\times\frac{180.158\,g}{1\,mol\,aspirin}=130\,g$
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