If the pH of a solution increases from 3.1 to 5.1 the hydronium ion concentration
A) increases by a factor of 1.6
B) increases by a factor of 100
C) decreases by a factor of 1.6
D) decreases by a factor of 100

Question

Quizplus · Accepted Answer

A change in pH of 2 units corresponds to a difference of a factor of 100 in hydronium ion concentration. In this case, the pH has increased by 2, so the hydronium ion concentration has decreased by a factor of 100.

If the PH of a Solution Increases from 3