What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Ans: pH = 9

Given:

Concentration of H+ ions [H+] = 1.0*10⁻⁹ M

To determine:

The pH of the above solution

Explanation:

pH = -log[H+]

pH = -log(1.0*10⁻⁹) = 9

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