Which of the following solutions would require the greatest amount of base to be added to bring the solution to neutral pH?

Which of the following solutions would require the greatest amount of base to be added to bring the solution to neutral pH?




A) gastric juice at pH 2
B) vinegar at pH 3
C) tomato juice at pH 4
D) black coffee at pH 5
E) household bleach at pH 12


Answer: A