Question

What is the [OH -] in a solution that has a [H 3O +] = 1 × 10 -4 M?

Answer 1

It will be half of [H3O+]

Bcoz water breaks in the form of h3o+ + oh-

So it will be

0.5*10^-4

Hope it will help you.

Answer 2

Answer:

1 * 10^ -10 M is the right answer.

Explanation:

Refer attachment for explanation!!!