A solution with a pH of 4 has_____ times more _____ ions than a solution with a pH of 6.
A) 10; H+
B) 10; OH-
C) 100; H+
D) 100; OH-

Question

Quizplus · Accepted Answer

The pH scale is based on the concentration of hydrogen ions (H+) in a solution. The pH scale is a logarithmic scale, meaning that each increase or decrease in one pH unit represents a tenfold increase or decrease in H+ concentration. Therefore, a solution with a pH of 4 has 10 times more H+ ions than a solution with a pH of 5 and 100 times more H+ ions than a solution with a pH of 6. Therefore, the correct answer is C, 100 times more H+ ions.

A Solution with a PH of 4 Has_____ Times More