The pOH of pure water at 40^oC is 6.8.What is the hydronium ion concentration in pure water [H₃O⁺] at this temperature?

Name: The pOH of pure water at 40 o C is 6.8.What is the hydronium ion concentration in pure water [H 3 O + ] at this temperature?
Brand: Quizplus
Rating: 4.9 (46 reviews)

Question

Quizplus · Accepted Answer

The pOH of pure water at 40^oC is 6.8. This means that the [OH^-] = 10^-6.8 = 1.58 × 10^-7 M. Since Kw = [H₃O⁺][OH^-] = 1.0 × 10^-14, we can solve for [H₃O⁺]: [H₃O⁺] = Kw/[OH^-] = 1.0 × 10^-14/1.58 × 10^-7 = 6.3 × 10^-8 M.

The POH of Pure Water at 40oC Is 6

The POH of Pure Water at 40^oC Is 6