Chemistry

Problem

Calculate

[\text{H}^+]

in a solution containing 0.1 M

\text{HCOOH}

and 0.1 M

\text{HOCN}

K_a

for

\text{HCOOH}

and

\text{HOCN}

are

1.8 \times 10^{-4}

and

3.3 \times 10^{-4}