铝及其化合物的转化关系

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铝及其化合物的转化关系
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铝及其化合物的转化关系
铝及其化合物的转化关系

铝及其化合物的转化关系
①2Al+6HCl=2AlCl3+3H2↑ ②4Al+3O2 =(点燃)2Al2O3
2Al+6H+=2Al3++3H2↑
③2Al+2NaOH+2H2O=2NaAlO2+3H2↑ ④Al2O3+6HCl=2AlCl3+3H2O
2Al+2OH-+2H2O=2AlO2-+3H2↑ Al2O3+6H+=2Al3++3H2O
⑤Al2O3+2NaOH=2NaAlO2+H2O ⑥AlCl3+3NH3•H2O=Al(OH)3↓+3NH4Cl
Al2O3+2OH-=2AlO2-+H2O Al3++3NH3•H2O = Al(OH)3↓+3NH4+
⑦Al(OH)3+3HCl=AlCl3+3H2O ⑧2Al(OH)3 =(加热)Al2O3+3H2O
Al(OH)3+3H+=Al3++3H2O
⑨NaAlO2+HCl+H2O =Al(OH)3↓+NaCl或NaAlO2+2H2O+CO2=Al(OH)3↓+NaHCO3
AlO2-+H++H2O=Al(OH)3↓ AlO2-+2H2O+CO2=Al(OH)3↓+HCO3-
⑩Al(OH)3+NaOH = NaAlO2+2H2O ⑾Al3++3H2O =Al(OH)3胶体+3H+
Al(OH)3+OH-= AlO2-+2H2O
⑿AlCl3+4NaOH = NaAlO2+3NaCl+2H2O Al3++4OH-= AlO2-+2H2O

①2Al+6HCl=2AlCl3+3H2↑ ②4Al+3O2 =(点燃)2Al2O3
2Al+6H+=2Al3++3H2↑
③2Al+2NaOH+2H2O=2NaAlO2+3H2↑ ④Al2O3+6HCl=2AlCl3+3H2O
2Al+2OH-+2H2O=2AlO2-+3H2↑ Al2O3+6H+=2Al3+...

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①2Al+6HCl=2AlCl3+3H2↑ ②4Al+3O2 =(点燃)2Al2O3
2Al+6H+=2Al3++3H2↑
③2Al+2NaOH+2H2O=2NaAlO2+3H2↑ ④Al2O3+6HCl=2AlCl3+3H2O
2Al+2OH-+2H2O=2AlO2-+3H2↑ Al2O3+6H+=2Al3++3H2O
⑤Al2O3+2NaOH=2NaAlO2+H2O ⑥AlCl3+3NH3•H2O=Al(OH)3↓+3NH4Cl
Al2O3+2OH-=2AlO2-+H2O Al3++3NH3•H2O = Al(OH)3↓+3NH4+
⑦Al(OH)3+3HCl=AlCl3+3H2O ⑧2Al(OH)3 =(加热)Al2O3+3H2O
Al(OH)3+3H+=Al3++3H2O
⑨NaAlO2+HCl+H2O =Al(OH)3↓+NaCl或NaAlO2+2H2O+CO2=Al(OH)3↓+NaHCO3
AlO2-+H++H2O=Al(OH)3↓ AlO2-+2H2O+CO2=Al(OH)3↓+HCO3-
⑩Al(OH)3+NaOH = NaAlO2+2H2O ⑾Al3++3H2O =Al(OH)3胶体+3H+
Al(OH)3+OH-= AlO2-+2H2O
⑿AlCl3+4NaOH = NaAlO2+3NaCl+2H2O Al3++4OH-= AlO2-+2H2O 望楼主采纳 谢谢

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