Question

What is the pH of a solution whose [H3O+] is

1. 1*10^-9 M?

Answer 1

9

Step-by-step explanation:

Therefore, [H3O+]=[H+]=1.0×10−9M [ H 3 O + ] = [ H + ] = 1.0 × 10 − 9 M . Thus, the pH of the solution is 9.