Question

A 1.0 M H2S solution has a pH = 3.75 at equilibrium. What is the value of Ka?

3.16 × 10−21



3.16 × 10−8



8.89 × 10−5



8.89 × 10−8

Answer 1

The answer is A, for help I watched some khan academy vids, they're very helpful

Answer 2

The answer is 3.16*10-8