18. 某二質子酸 H2A(diprotic acid)其 Ka1 = 2.5 x 10–5
, Ka2 = 5.6 x 10–9,假如起始濃度為 1.00 M,則達到平衡後 A
2–的濃度
為何?
(A) 5.0 x 10–3
(B) 2.5 x 10–5
(C) 4.2 x 10–7
(D) 5.6 x 10–9
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統計: A(19), B(34), C(30), D(483), E(0) #1021299
統計: A(19), B(34), C(30), D(483), E(0) #1021299