研究所、轉學考(插大)◆普通化學題庫下載題庫

17. A 30.00-mL of a mixture that is 0.1500 M in hydrochloric acid and 0.0500 M in nitrous acid is titrated with 0.1000 M sodium hydroxide. Calculate the pH of the resulting solution after the 8.00 mL of 0.1000 M sodium hydroxide has been added.
(A) 1.01
(B) 2.10
(C) 3.45
(D) 4.39
(E) 8.33