Equal volumes of two solutions, one containing a strong acid at pH 2 and the other containing a strong base at pH 12, are mixed. Once equilibrium is achieved, what is the final pH of the combined solution?
A) 6
B) 7
C) 10
D) 14
E) 24

Question

Quizplus · Accepted Answer

When a strong acid of pH 2 is mixed with a strong base of pH 12 in equal volumes, they neutralize each other, resulting in a neutral solution with a pH of 7.

Equal Volumes of Two Solutions, One Containing a Strong Acid