题目内容
写出下列盐溶液水解的离子方程。
(1)(NH4)2SO4:____________________;
(2)AlCl3:____________________;
(3)KF:____________________;
(4)Na3PO4:____________________;
(1)(NH4)2SO4:____________________;
(2)AlCl3:____________________;
(3)KF:____________________;
(4)Na3PO4:____________________;
(1)NH4++H2ONH3·H2O+H+
(2)Al3++3H2OAl(OH)3+3H+
(3)F-+H2OHF+OH-
(4)PO43-+H2OHPO42-+OH-、HPO42-+H2OH2PO4-+OH-;H2PO4-+H2OH3PO4+OH-
(2)Al3++3H2OAl(OH)3+3H+
(3)F-+H2OHF+OH-
(4)PO43-+H2OHPO42-+OH-、HPO42-+H2OH2PO4-+OH-;H2PO4-+H2OH3PO4+OH-
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