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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 towhat 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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