Biochemistry at The Biology Project

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

[Problem 8] [Tutorial] [Problem 9]

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January 6, 1999
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