A solution at a pH of 10 contains how many times more hydrogen ions than a solution at a pH of 7?
A) 2
B) 3
C) 10
D) 100
E) 1,000

Question

A solution at a pH of 10 contains how many times more hydrogen ions than a solution at a pH of 7?​
A) ​2
B) ​3
C) ​10
D) ​100
E) ​1,000

Quizplus · Accepted Answer

The pH scale is logarithmic, meaning each whole pH value below 7 is 10 times more acidic (or has 10 times more hydrogen ions) than the next higher value. Therefore, a solution at pH 7 has 10^3 or 1,000 times more hydrogen ions than a solution at pH 10.

A Solution at a PH of 10 Contains How Many