Chemistry

Problem

A 100 mL sample of blackish water was made ammoniacal and the sulphide ion in solution were titrated with 16.50 mL of

0.02000\text{M}

\text{AgNO}_3

. The concentration of

\text{H}_2\text{S}

in the water in ppm is : a. 5.60 b. 560 c. 56 d. 0.560