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3Al+3H2SO4→Al2(SO4)3+3H23Al+3H2SO4→Al2(SO4)3+3H2
Al2(SO4)3+3Cu→3CuSO4+2AlAl2(SO4)3+3Cu→3CuSO4+2Al
4Al+3O2→2Al2O34Al+3O2→2Al2O3
Al2O3+6HCl→2AlCl3+3H2OAl2O3+6HCl→2AlCl3+3H2O
AlCl3+3H2O→Al(OH)3+3HClAlCl3+3H2O→Al(OH)3+3HCl
2Al(OH)3→Al2O3+3H2O2Al(OH)3→Al2O3+3H2O
2Al2O3→4Al+3O22Al2O3→4Al+3O2
2Al+3Cl2→2AlCl3