Question

What is the pH of a solution with a hydronium (H3O+) concentration of 5.6 × 10-9 M? Use the table to help you.

Answer 1

pH of the solution is 8.25 (≅8.3)

Step-by-step explanation:

Given:

H3O+ ion concentration = 5.6*10⁻⁹ M

To determine:

pH of the given solution

Explanation:

pH is related to the hydronium ion concentration as follows:

`pH = -log[H3O+]\\`

For the given solution

`pH = -log[5.6*10^(-9)] = 8.25`

Answer 2

pH = 8.25

Explanation:

pH = -log[H₃O⁺] = -log(5.6 × 10⁻⁹) = 8.25