What is the hydroxyl ion (OH⁻) concentration of a solution of pH 8?
A) 8 M
B) 8 × 10⁻⁶ M
C) 10⁻⁸ ᴹ
D) 10⁻⁶ M

Name: What is the hydroxyl ion (OH⁻) concentration of a solution of pH 8? A) 8 M B) 8 × 10⁻⁶ M C) 10⁻⁸ ᴹ D) 10⁻⁶ M
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Question

Quizplus · Accepted Answer

The pH of a solution is related to the concentration of hydrogen ions (H⁺). A pH of 8 means the concentration of H⁺ is 10⁻⁸ M. Since pH + pOH = 14, the pOH is 6, meaning the concentration of hydroxyl ions (OH⁻) is 10⁻⁶ M.

What Is the Hydroxyl Ion (OH⁻) Concentration of a Solution