Given of methanoic acid,

CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases

Problem

Given

100\text{ cm}^3

0.05\text{ mol dm}^{-3}

methanoic acid,

\text{HCOOH}

, what volume of

0.05\text{ mol dm}^{-3}

\text{NaOH}

would you need to add to prepare a buffer of pH 4.23?

K_a

\text{HCOOH} = 1.77 \times 10^{-4}