写化学方程式,离子方程式
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:化学作业 时间:2024/07/28 05:34:14
写化学方程式,离子方程式
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![写化学方程式,离子方程式](/uploads/image/z/18668821-13-1.jpg?t=%E5%86%99%E5%8C%96%E5%AD%A6%E6%96%B9%E7%A8%8B%E5%BC%8F%2C%E7%A6%BB%E5%AD%90%E6%96%B9%E7%A8%8B%E5%BC%8F)
2、2Al +2NaOH +2H2O=2NaAlO2 +3H2 (气体)
2Al +2H2O +2OH - =2AlO2- +3H2
3、Al2O3 +3H2SO4 ==Al2(SO4)3 +3H2O
Al2O3 +6H+ ==2Al3+ +3H2O
4、Al2O3 +2NaOH =2NaAlO2 +H2O
Al2O3 +2OH- =2AlO2- +H2O
5、Al(OH)3 +3HCl =AlCl3 +3H2O
Al(OH)3 +3H+ =Al3+ +3H2O
6、Al(OH)3 +NaOH =NaAlO2 +2H2O
Al(OH)3 +OH- =AlO2- +2H2O
7、2Al(OH)3==(加热)Al2O3 +3H2O
8、AlCl3 +3NH3.H2O=Al(OH)3 +3NH4Cl
Al3+ +3NH3.H2O =Al(OH)3 +3NH4+ (有沉淀符号)
2Al +2H2O +2OH - =2AlO2- +3H2
3、Al2O3 +3H2SO4 ==Al2(SO4)3 +3H2O
Al2O3 +6H+ ==2Al3+ +3H2O
4、Al2O3 +2NaOH =2NaAlO2 +H2O
Al2O3 +2OH- =2AlO2- +H2O
5、Al(OH)3 +3HCl =AlCl3 +3H2O
Al(OH)3 +3H+ =Al3+ +3H2O
6、Al(OH)3 +NaOH =NaAlO2 +2H2O
Al(OH)3 +OH- =AlO2- +2H2O
7、2Al(OH)3==(加热)Al2O3 +3H2O
8、AlCl3 +3NH3.H2O=Al(OH)3 +3NH4Cl
Al3+ +3NH3.H2O =Al(OH)3 +3NH4+ (有沉淀符号)