複選題
13. 下列溶液中各粒子濃度關係哪些正確?
(A) 0.1 M HCOOH溶液中:[HCOO ] + [OH ] = [H ]
(B) 0.1 M (NH4)2SO4溶液中:[NH4 ] > [SO4 2- ] > [H ] > [OH ]
(C) 0.1 M NaHCO3溶液中: [Na] + [H] = [HCO3 ] + [CO3 2-] + [OH]
(D)等濃度弱酸HX及其鈉鹽NaX等體積混合的溶液中: [Na ] > [HX] > [X ] > [H ] > [OH ]
(E) 0.1 M Na2S溶液中:[S2- ] + [HS ] + [H2S] = 0.1

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統計: A(10), B(8), C(3), D(2), E(6) #3089301

詳解 (共 1 筆)

#5821303
(A)正確。弱酸解離的電荷不滅。(B)正...


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