Imagine you are working in the lab, and your labmate Jordan has challenged you to figure out which one of the  following acetic acid/sodium acetate buffer solutions has the greatest buffering capacity at a pH above 4.74. pKa(acetic acid) = 4.74. Can you pick the solution with the highest buffering capacity at a pHabove 4.74? pKa(acetic acid) ?     0.36 M acetic acid and 0.12 M sodium acetate         0.16 M acetic acid and 0.12 M sodium acetate         0.36 M acetic acid and 0.22 M sodium acetate         0.16 M acetic acid and 0.22 M sodium acetate

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter14: Acid- Base Equilibria
Section: Chapter Questions
Problem 4RQ: A good buffer generally contains relatively equal concentrations of weak acid and conjugate base. If...
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Imagine you are working in the lab, and your labmate Jordan has challenged you to figure out which one of the  following acetic acid/sodium acetate buffer solutions has the greatest buffering capacity at a pH above 4.74. pKa(acetic acid) = 4.74. Can you pick the solution with the highest buffering capacity at a pHabove 4.74? pKa(acetic acid) ? 
 

 
0.36 M acetic acid and 0.12 M sodium acetate
 
 
 
 
0.16 M acetic acid and 0.12 M sodium acetate
 
 
 
 
0.36 M acetic acid and 0.22 M sodium acetate
 
 
 

 
0.16 M acetic acid and 0.22 M sodium acetate 
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