<span>2 Al + 6 HCl = 2 AlCl3 + 3 H<span>2
</span></span><span>2 AlCl3 = 2 Al + 3 Cl<span>2
</span></span><span>2 Al + 3 H2S = Al2S3 + 3 H<span>2
</span></span><span>Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
</span><span>2 Al(OH)3 = Al2O3 + 3 H2O
</span><span>2 Al2O3 = 4 Al + 3 O<span>2</span></span>
<span>водород,гидроксид калия,азотная кислота</span>
2Al+3Cl2=2AlCl3
AlCl3+3HNO3=Al(NO3)3+3HCl
Al(NO3)3+3NaOH=Al(OH)3+3NaNO3
2Al(OH)3=Al2O3+3H2O
Al2O3+3H2SO4=Al2(SO4)3+3H2O