Write the reaction equation: Al-Al2o3-na3alo3-Al2 (So4) 3-AlCl3
| September 22, 2021 | education
1) 4Al + 3O2 → 2Al2O3; Al2O3 – Al oxide;
2) Al2O3 + 6NaOH (excess) → 2Na3AlO3 + 3H2O; Na3AlO3 – Na aluminate (Na orthoaluminate);
3) 2Na3AlO3 + 6H2SO4 → 3Na2SO4 + Al2 (SO4) 3 + 6H2O; Al2 (SO4) 3 – Al sulfate;
4) Al2 (SO4) 3 + 3BaCl2 → 2AlCl3 + 3BaSO4 ↓; AlCl3 – Al chloride.
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