Question

If the pH of a solution is 6.2, what would the pOH be?

Answer 1

See here for a fuller explanation.

Explanation:

`pH+pOH=14` for an aqueous solution at `298K`.

Thus `pOH=14-6.2=7.8`

The solution is slightly acidic, i.e. `[HO^-]<[H_3O^+]`.