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.
Answer: E
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