Calculate the pH change that results when 15 mL of 2.5 M HCl is added to 600. mL of each of the following solutions. (See the Acid-Base Table.)
(a) pure water
(b) 0.10 M CH3COO?
(c) 0.10 M CH3COOH
(d) a solution that is 0.10 M in each CH3COO? and CH3COOH.