Ответ:
1) 4Al+3O2=2Al2O3
2) Al2O3+6HCl=2AlCl3+3H2O
3) AlCl3+3NaOH=3NaCl+Al(OH)3
4)2Al(OH)3+3H2SO4=Al2(SO4)3+6H2O
5)Al2(SO4)3+3Ba(NO3)2=3BaSO4+2Al(NO3)3
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Ответ:
1) 4Al+3O2=2Al2O3
2) Al2O3+6HCl=2AlCl3+3H2O
3) AlCl3+3NaOH=3NaCl+Al(OH)3
4)2Al(OH)3+3H2SO4=Al2(SO4)3+6H2O
5)Al2(SO4)3+3Ba(NO3)2=3BaSO4+2Al(NO3)3