複選題
23. Na2S 水溶液中各種離子的濃度大小關係,下列何者正確?
(A) [Na+
] > [ HS-
] > [S2-] > [OH-
]
(B) [OH-
] > [Na+
] > [ HS-
] > [S2-]
(C) [Na+
] > [S2-] > [OH-
] > [ HS-
]
(D) [Na+
] > [OH-
] > [ HS-
] > [S2-]
詳解 (共 2 筆)
未解鎖
正常來說只有在極低濃度下因為受水本身解離...
私人筆記 (共 1 筆)
未解鎖
此題本來答案是C ,後來釋疑CD都對...