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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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
Transcribed Image Text:Problem 1
During a synthesis experiment, a student made 0.245g of crude aspirin. After purification, she was left
with 0.201g of pure product. Based on this information, determine the percent recovery of the
purification step. Show your work clearly with units.
Problem 2
A student synthesized ethyl butanoate (an ester) as shown in the reaction below. The volumes used in
the reaction are shown below each reagent.
Ir...
HSO, a drops)
Theat
e T...
butanoic acid
Mw e8.106 gmol
MW 46068 gmo
d.0.789 gmL
6.00 ml used
2.00ml used
Using the information provided above, compute:
The theoretical yield of ester that can form.
a.
b. The percent yield if 1.523g of ester are collected in the reaction.
Clearly show and explain how you determined the limiting reactant.
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