What is the concentration of acetic acid which has same pH as 0.5 M solution

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

Problem

What is the concentration of acetic acid which has same pH as 0.5 M

\text{HCOOH}

solution.

K_a \text{ HCOOH} = 2.4 \times 10^{-4}

and

K_a \text{ CH}_3\text{COOH} = 1.8 \times 10^{-5}