A Solution with a PH of 13 Contains More Hydroxide

Question

A solution with a pH of 13 contains more hydroxide ions than a solution with a pH of 11.

Accepted Answer

As the pH scale is a logarithmic scale, a difference of 2 pH units represents a 100-fold difference in the concentration of hydrogen ions. Therefore, a solution with a pH of 13 has a concentration of hydroxide ions that is 100 times greater than a solution with a pH of 11, making the statement true.