If the PH of a Solution Is Decreased from 9

question 50

Multiple Choice

If the pH of a solution is decreased from 9 to 8, it means that the

• A) concentration of H⁺ has decreased to one-tenth (1/10) what it was at pH 9.
• B) concentration of H⁺ has increased tenfold (10X) compared to what it was at pH 9.
• C) concentration of OH⁻ has increased tenfold (10X) compared to what it was at pH 9.
• D) concentration of OH⁻ has decreased to one-tenth (1/10) what it was at pH 9.
• E) concentration of H⁺ has increased tenfold (10X) and the concentration of OH⁻ has decreased to one-tenth (1/10) what they were at pH 9.

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