34. 下列何種物質是最弱的酸?
(A) HCN (pKa = 9.31)
(B) CH₃COOH (pKa = 4.75)
(C) HF (pKa = 3.45)
(D) HIO₃ (pKa = 0.77)
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統計: A(1), B(0), C(0), D(0), E(0) #3909980
統計: A(1), B(0), C(0), D(0), E(0) #3909980