A solution contains 0.1 M and 0.3 M HCl

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

Problem

A solution contains 0.1 M

\text{H}_2\text{S}

and 0.3 M HCl. Calculate the conc. of

\text{S}^{2-}

and

\text{HS}^-

ions in solution. Given

K_{a_1}

and

K_{a_2}

for

\text{H}_2\text{S}

are

10^{-7}

and

1.3 \times 10^{-13}

respectively.