Question

A certain solution has [H3O+] = 8.1 X 10-8 M Calculate the pH of this solution

Answer 1

Answer:

pH = 7.092

Explanation:

pH is given by the formula;

pH = - log[H3O+]

Given [H3O+] = 8.1 X 10^-8 M

Therefore;

pH = -log 8.1 X 10^-8 M

     = 7.092