28.在0.01M的甲酸[formict acid,HCOOH(aq)]水溶液中,下列關係何者正確?
(A) [H+(aq)]<[HCOO-(aq)]
(B) [H+(aq)] > [HCOO-(aq)]
(C) pH = 2.0  
(D) pH >2.0

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統計: A(10), B(24), C(11), D(158), E(0) #1073846

詳解 (共 2 筆)

#3754656
(B)其實也對[H+],有水的自解離會稍...
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#4657003

[H+(aq)] 大約等於[HCOO-(aq)]

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