Which solution has the lowest pH?
A) a buffer made with 0.10 M acetic acid and 0.01 M sodium acetate
B) a buffer made with 0.10 M acetic acid and 0.10 M sodium acetate
C) a buffer made with 0.01 M acetic acid and 0.10 M sodium acetate
D) a buffer made with 0.01 M acetic acid and 0.01 M sodium acetate
E) All of the buffers have the same pH since they are all made with acetic acid and sodium acetate.
Correct Answer:
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