If the PH of a Solution Is Decreased from 9

question 26

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 10-fold (10X)compared to what it was at pH 9.
• C)concentration of OH⁻ has increased 10-fold (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)Both B and D are correct.

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