If the PH of a Solution Is Increased from PH

Multiple Choice

If the pH of a solution is increased from pH 5 to pH 7, it means that the

A) concentration of H+ is twice (2×) what it was at pH 5.
B) concentration of H+ is one-half (1/2) what it was at pH 5.
C) concentration of OH- is 100 times greater than what it was at pH 5.
D) concentration of OH- is one-hundredth (0.01×) what it was at pH 5.
E) concentration of H+ is 100 times greater than what it was at pH 5.