CHEMISTRY ATOM FOCUSED EBK W/ A.C. >I<
2nd Edition
ISBN: 9780393657159
Author: Gilbert
Publisher: NORTON
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Chapter 9, Problem 9.26QA
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Use solubility rules to provide balance molecular equation, total, and net ionic equation
Br
HO
?
HO
✓
OH
Use the literature Ka value of the acetic acid, and the data below to answer these questions. Note: You will not use the experimental titration graphs to answer the questions that follow.
Group #1:
Buffer pH = 4.35
Group #2:
Buffer pH = 4.70
Group #3:
Buffer pH = 5.00
Group #4:
Buffer pH = 5.30
Use the Henderson-Hasselbalch equation, the buffer pH provided and the literature pKa value of acetic acid to perform the following:
a) calculate the ratios of [acetate]/[acetic acid] for each of the 4 groups buffer solutions above.
b) using the calculated ratios, which group solution will provide the best optimal buffer (Hint: what [acetate]/[acetic acid] ratio value is expected for an optimal buffer?)
c) explain your choice
Chapter 9 Solutions
CHEMISTRY ATOM FOCUSED EBK W/ A.C. >I<
Ch. 9 - Prob. 9.1VPCh. 9 - Prob. 9.2VPCh. 9 - Prob. 9.3VPCh. 9 - Prob. 9.4VPCh. 9 - Prob. 9.5VPCh. 9 - Prob. 9.6VPCh. 9 - Prob. 9.7VPCh. 9 - Prob. 9.8VPCh. 9 - Prob. 9.9QACh. 9 - Prob. 9.10QA
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