Carry out the transformations of the reaction equation: S → SO2 → SO3 → H2SO4 → Na2SO4 → BaSO3
| January 27, 2021 | education
S → SO2 → SO3 → H2SO4 → Na2SO4 → BaSO4:
1) S + O2 → SO2 – compound reaction;
2) 2SO2 + O2 → 2SO3 – compound reaction;
3) SO3 + H2O → H2SO4 – compound reaction;
4) H2SO4 + 2NaOH → Na2SO4 + 2H2O – exchange reaction;
5) Na2SO4 + Ba (OH) 2 ↓ → BaSO4 ↓ + 2NaOH – exchange reaction.
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