問題詳情
2. The sodium salt, NaA, of a weak acid is dissolved in water； no other substance is added. Which ofthese statements (to a close approximation) is true?
(A) [H+] = [A-]
(B) [A-] = [OH-]
(C) [HA] = [OH-]
(D) [H+] = [OH-]
(E) none of these
參考答案
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【艾爾】評論
A- +H2O -> H.....★★★★★★，...