Write the reaction equations: Al → Al2O3 → Al (NO3) 3 → Al (OH) 3 → Al2O3
| April 26, 2021 | education
1) 4Al + 3O2 → 2Al2O3;
2) Al2O3 + 6 HNO3 → 2Al(NO3)3 +3 H2O;
3) Al(NO3)3 + 3NaOH → Al(OH)3↓ + 3NaNO3;
4) 2Al(OH)3↓ → Al2O3 + 3H2O.
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