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General Chemistry

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Moderate

pH of a Buffer

CHEM-A@MSUB

You wish to create a buffer with a pH of $5.0$ using solutions of acetic acid and sodium acetate of equal concentration. The $K_{a}$ of acetic acid is $1.8 \times 10^{-5}$.

This buffer should be produced with:

A

...more acetic acid than sodium acetate.

B

...more sodium acetate than acetic acid.

C

...equal volumes of acetic acid and acetate.

D

Cannot be determined.