Question

What are the concentrations of hydroxide and hydronium ions in a solution with a pH of 8.3? 2.9 × 10–5 M H3O+ and 3.4 × 10–10 M OH– 3.1 × 10–6 M H3O+ and 3.2 × 10–9 M OH– 5.0 × 10–9 M H3O+ and 2.0 × 10–6 M OH– 6.3 × 10–11 M H3O+ and 1.6 × 10–4 M OH–

Answer 1

What are the concentrations of hydroxide and hydronium ions in a solution with a pH of 8.3?

2.9 × 10–5 M H3O+ and 3.4 × 10–10 M OH–

5.0 × 10–9 M H3O+ and 2.0 × 10–6 M OH–   CORRECT ANSWER

3.1 × 10–6 M H3O+ and 3.2 × 10–9 M OH–

6.3 × 10–11 M H3O+ and 1.6 × 10–4 M OH–

Answer 2

Answer:

5.0 × 10–9 M H3O+ and 2.0 × 10–6 M OH