Acids & Bases Problem Set

Question 8: Neutralizing an acidic solution

How many ml of a 0.2 M NaOH solution are required to bring the pH of 20 ml of a 0.4 M HCl solution to 7.0?

A.	4
B.	40 Because the acid has twice the concentration of the base, a neutral pH can be achieved by adding twice the amount of the base solution to the acid solution.
C.	10
D.	20
E.	5