2Al + 3Cl2 = 2AlCl3
AlCl3+ 3NaOH= Al(OH)3+3NaCl
2Al(OH)3 = Al2O3+ 3H2O
Al2O3 + 2NaOH = 2Na[Al(OH)4] + 3H2O
2Na[Al(OH)4] +
4H2SO4 (избыток) = Na2SO4 + Al2(SO4)3
+ 8H2O
Al2(SО4)3
+ 6NaOH = 2Al(OH)3 +
3Na2SО4
Al(ОН)3 + ЗНСl(разб.)
= AlCl3 + ЗН2O
AlCl3 + 4NaOH(конц.) = Na[Al(OH)4] + 3NaCl