What is the pH of a solution that is formed at 25°C by combining 400 mL of 0.030 M NaOH with 400 mL of 0.030 M HCl?
A)2.0
B)3.0
C)5.0
D)7.0
E)1.0

Question

Quizplus · Accepted Answer

When equal amounts of a strong acid and strong base are combined, they react completely to form a neutral solution with a pH of 7.0. Therefore, the pH of the solution formed by combining 400 mL of 0.030 M NaOH with 400 mL of 0.030 M HCl is 7.0.

What Is the PH of a Solution That Is Formed