Question

6) What is the pH of a solution with [H3O+] = 1 × 10-9 M?
A) 1.0 × 10-5
B) -9.0
C) 5.0
D) -5.0
E) 9.0

Answer 1

Answer:

E) 9.0

Explanation:

pH = -log [1×10^-9] = 9

Answer 2

The answer is E (9.0)