試題詳解

73. Consider mixing equal volume of 0.1 M Na₂CO₃ solution and 0.1 M H₂SO₄ solution. Which statement is correct?
(A) [H⁺ ] is less than 0.05 M
(B) [H⁺ ] is between 0.1 M and 0.05 M
(C) [H⁺ ] is 0.1 M
(D) [H⁺ ] is 0.2 M
(E) pH ＞ 7