题目内容


写出下列典型物质的电离方程式

(1)H2SO4_______________________________________________________________________;

(2)H2CO3_______________________________________________________________________;

(3)Ca(OH)2____________________________________________________________________;

(4)Fe(OH)3_____________________________________________________________________;

(5)NH3·H2O____________________________________________________________________;

(6)NaCl________________________________________________________________________;

(7)BaSO4______________________________________________________________________;

(8)NaHSO4_____________________________________________________________________;

(9)NaHCO3_____________________________________________________________________;

(10)NaHSO4(熔融)______________________________________________________________;

(11)Al2O3(熔融)_______________________________________________________________;

(12)CH3COOH_________________________________________________________________。


答案 (1)H2SO4===2H++SO

(2)H2CO3??H++HCO、HCO??H++CO

(3)Ca(OH)2===Ca2++2OH-

(4)Fe(OH)3??Fe3++3OH-

(5)NH3·H2O??NH+OH-

(6)NaCl===Na++Cl-

(7)BaSO4===Ba2++SO

(8)NaHSO4===Na++H++SO

(9)NaHCO3===Na++HCO、HCO??H++CO

(10)NaHSO4Na++HSO

(11)Al2O32Al3++3O2-

(12)CH3COOH??CH3COO-+H+


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