Three different acetate buffer concentrates are prepared at

CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases

Problem

25^{\circ}\text{C}

. A.

100\,\text{mL}

0.50\,\text{M}

\text{CH}_3\text{COOH}

and

0.50\,\text{M}

\text{CH}_3\text{COO}^-

50\,\text{mL}

1.00\,\text{M}

\text{CH}_3\text{COOH}

and

0.20\,\text{M}

\text{CH}_3\text{COO}^-

200\,\text{mL}

0.20\,\text{M}

\text{CH}_3\text{COOH}

and

0.80\,\text{M}

\text{CH}_3\text{COO}^-

Each concentrate is separately diluted with water to a final volume of

1.00\,\text{L}

, then titrated with

\text{NaOH}\,(aq)

. Which order correctly ranks the resulting buffers from greatest to least capacity to neutralize the added base? (a)

B > C > A

(b)

C > A > B

(c)

A > B > C

(d)

C > B > A