写出下列离子方程式: (1)Na3PO4水解的离子方程式           

写出下列离子方程式:

1Na3PO4水解的离子方程式                                     

2H2SO3的电离方程式                                         

3CuCl2水解的离子方程式                                     

4)碳酸钡的电离方程式                                

5)醋酸铵的电离方程式                              

6Al2(SO4)3溶液和NaHCO3溶液混合的离子方程式                                

答案

1PO43+ H2O OH + HPO42(可只写该级水解)

HPO42 + H2 OH+ H2PO4
H2PO4
+ H2O OH + H3PO4

2H2SO3 H++HSO3(可只写该级水解)HSO3 H++SO32

3Cu2++2H2OCu(OH)2 +2H+ 

4BaCO3=Ba2++CO32

5CH3COONH4=CH3COO +NH4+

6Al3++ 3HCO3=Al(OH)3↓+3CO2

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