Осуществите превращения: S - SO2 - CaSO3
1) S + O₂ = SO₂
2) SO₂ + CaO = CaSO₃
1) S+02=S022)SO2+ CaO= CaSO3
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1) S + O₂ = SO₂
2) SO₂ + CaO = CaSO₃
1) S+02=S02
2)SO2+ CaO= CaSO3