阿摩線上測驗
2. The sodium salt, NaA, of a weak acid is dissolved in water； no other substance is added. Which of these statements (to a close approximation) is true?
(A) [H+] = [A-]
(B) [A-] = [OH-]
(C) [HA] = [OH-]
(D) [H+] = [OH-]
(E) none of these
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統計： A(0), B(1), C(10), D(1), E(0) #2735905
統計： A(0), B(1), C(10), D(1), E(0) #2735905
