Ответ:
Fe(OH)₃ → x1→х2 → FeS → x3 →x4 Fe(OH)₃
2Fe(OH)₃=Fe₂O₃+3H₂O
Fe₂O₃+3H₂=2Fe+3H₂O
Fe+S=FeS
FeS+H₂SO₄=FeSO₄+H₂S
FeSO₄+2NaOH=Na₂SO₄+Fe(OH)₂↓
4Fe(OH)₂ + O₂ +2H₂O = 4Fe(OH)₃↓
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Verified answer
Ответ:
Fe(OH)₃ → x1→х2 → FeS → x3 →x4 Fe(OH)₃
2Fe(OH)₃=Fe₂O₃+3H₂O
Fe₂O₃+3H₂=2Fe+3H₂O
Fe+S=FeS
FeS+H₂SO₄=FeSO₄+H₂S
FeSO₄+2NaOH=Na₂SO₄+Fe(OH)₂↓
4Fe(OH)₂ + O₂ +2H₂O = 4Fe(OH)₃↓