:2Al+2NaOH+2H2O==2NaAlO2+3H2↑2Al+2H2O+2OH-==2AlO2-+3H2↑:Al+Fe2O32Fe+:Al2O3+6HCl===2AlCl3+3H2OAl2O3+6H+=2Al3++:Al2O3+2NaOH===2NaAlO2+H2OAl2O3+2OH-=2AlO2-+:AlCl3+3NH3·H2O===Al(OH)3↓+3NH4ClAl3++3NH3·H2O===Al(OH)3↓+3NH4+:NaAlO2+CO2+2H2O=Al(OH)3↓+NaHCO3AlO2-+CO2+2H2O=Al(OH)3↓+HCO3-2NaAlO2+CO2+3H2O=Al(OH)3↓+Na2CO32AlO2-+CO2+3H2O=2Al(OH)3↓+CO32-:3NaAlO2+AlCl3+6H2O=4Al(OH)3↓+3NaCl3AlO2-+Al3++6H2O=4Al(OH)3↓:Al(OH)3+3HCl===AlCl3+3H2OAl(OH)3+3H+===Al3++:Al(OH)3+NaOH===NaAlO2+2H2OAl(OH)3+OH--===AlO2--++3NaOH=Al(OH)3↓+3NaClAl3++3OH-=Al(OH)3↓++4NaOH=2NaAlO2+2H2O+3NaClAl3++4OH-=AlO2-++HCl+H2O=Al(OH)3↓+NaClAlO2-+H++H2O=Al(OH)3↓+4HCl=AlCl3+3NaCl+2H2OAlO2-+4H+=Al3++:KAl(SO4)2===K++Al3++2SO42-Al3++3H2O===Al(OH)3(胶体)+3H+:3Fe+4H2O(g)Fe3O4+:Fe+2FeCl3===3FeCl2Fe+2Fe3+===3Fe2+Cu+2FeCl3===CuCl2+FeCl2Cu+2Fe3+===Cu2++2Fe2+(OH)2+O2+2H2O===4Fe(OH)++Cl2===2Fe3++2Cl-:Fe3++-===Fe(SCN)-+2Fe3+===S+2Fe2+2I-+2Fe3+===I2+2Fe2++O2SO2S+FeFeSS++H2OH2SO3SO2+Ca(OH)2=CaSO3+H2OSO2+Na2SO3+H2O==:SO2+Br2+2H2O=H2SO4+2HBrSO2+Br2+2H2O=4H++SO42-+2Br-2SO2+O22SO3SO2+2Fe3++2H2O==2Fe2++SO42-+4
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