1、铝三角1. Al(OH)3+3HCl=AlCl3+3H2O Al2(SO4)3+6NH3H2O=2Al(OH)3+3(NH 4)2SO4Al(OH)3+3H+=Al3+3H2O Al3+3NH3H2O=Al(OH)3+3NH 4+2. AlCl3+3NaOH=Al(OH)3+3NaClAl3+3OH-=Al(OH)33.AlCl3+3NaOH=Al(OH)3+3NaCl AlCl3+4NaOH=NaAlO2+3NaCl+2H2OAl(OH)3+NaOH=NaAlO2+2H2O Al3+4OH-=AlO2-+2H2O4.NaAlO2+HCl+H2O=Al(OH)3+NaClNaAlO2+4HCl
2、=AlCl3+NaCl+2H2O Al(OH)3+3HCl=AlCl3+3H2O AlO2-+4H+=Al3+2H2O5.Al(OH)3+NaOH=NaAlO2+2H2OAl(OH)3+OH-=AlO2-+2H2O6.NaAlO2+HCl+H2O=Al(OH)3+NaCl Al 2O3+6HCl=AlCl3+3H20AlO2-+H+H2O=Al(OH)3 Al 2O3+2NaOH=2NaAlO2+H2ONaAlO2+CO2+2H2O=Al(OH)3+NaHCO 3AlO2-+CO2+2H2O=Al(OH)3+HCO 3-2NaAlO2+CO2+3H2O=2Al(OH)3+Na 2CO32AlO
3、2-+CO2+3H2O=2Al(OH)3+CO 32-铁三角1.Fe+2HCl=FeCl2+H2 2Na+2H 2O=2NaOH+H2Fe+2H+=Fe2+H2 3Fe+4H 2O(g ) 高温 Fe3O4+4H22.FeCl2+Zn=ZnCl2+Fe Na投入到FeCl 3溶液中Fe2+Zn=Zn2+Fe 2Na+2H2O=2NaOH+H23.2FeCl2+Cl2=2FeCl3 3NaOH+FeCl3=Fe(OH)3+3NaCl2Fe2+Cl2=2Fe3+2Cl- 6Na+6H2O+2FeCl3=2Fe(OH)3+6NaCl+3H 24.2FeCl3+Fe=3FeCl2 2Na2O2+2H2
4、O = 4NaOH+O22Fe3+Fe=3Fe2+ 2Na2O2+2CO2=2Na2CO3+O25.2Fe+3Cl2 点燃 2FeCl3 2Na2O2+4HCl=4NaCl+2H2O+O26.Fe2O3+3CO =2Fe+3CO2 2Al+2NaOH+2H2O=2NaAlO2+3H2Na2O+H2O=2NaOHNa2O+CO2=Na2CO3FeCl3+3NaOH=Fe(OH)3+3NaCl Na 2O+2HCl=2NaCl+H2OFeSO4+2NaOH=Fe(OH)2+Na 2SO4 2NaHCO3 = Na2CO3+H2O+CO24Fe(OH)2+O2+2H2O=4Fe(OH)3 NaHCO3+HCl=NaCl+H2O+CO22Fe(OH)3 =Fe2O3+3H2O Na2CO3+2HCl=2NaCl+H2O+CO2Fe2O3+6HCl=2FeCl3+3H20 Na2CO3+H2O+CO2=2NaHCO3Fe3O4+8HCl=2FeCl3+FeCl2+4H2O NaHCO3+NaOH=Na2CO3+H2ONa2CO3+CaCl2=CaCO3+2NaClNa2CO3+BaCl2=BaCO3+2NaCl
