Napisz równania reakcji chemicznych otrzymywania siarczanu(IV) sodu czterema sposobami
1. 2Na + H₂SO₃ -> Na₂SO₃ + H₂
2. Na₂O + SO₂ -> Na₂SO₃
3. 2NaOH + SO₂ -> Na₂SO₃ + H₂O
4. 2NaOH + MgSO₃ - > Na₂SO₃ + Mg(OH)₂
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1. 2Na + H₂SO₃ -> Na₂SO₃ + H₂
2. Na₂O + SO₂ -> Na₂SO₃
3. 2NaOH + SO₂ -> Na₂SO₃ + H₂O
4. 2NaOH + MgSO₃ - > Na₂SO₃ + Mg(OH)₂