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AlenaSharonova
@AlenaSharonova
March 2022
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Помогите пожалуйста сделать цепочку превращения:
Fe -> Fe2O3 -> Fe2(SO4)3 -> Fe(OH)3 -> Fe2O3 -> FeCl3
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Girl
Добрый день.
₁ ₂ ₃ ₄ ₅
Fe → Fe₂O₃ → Fe₂(SO₄)₃ → Fe(OH)₃ → Fe₂O₃ → FeCl₃
1. 4Fe + 3O₂ → 2Fe₂O₃
2. Fe₂O₃ + 3H₂SO₄ = Fe₂(SO₄)₃ + 3H₂O3. Fe₂(SO₄)₃ + 6Na(OH) = 2Fe(OH)₃ + 3Na₂SO₄
t
4. 2Fe(OH)₃ → Fe₂O₃ + 3H₂O
5.
Fe
₂
O
₃
+ HCl = 2FeCl
₃
+ 3H
₂O
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Answers & Comments
₁ ₂ ₃ ₄ ₅
Fe → Fe₂O₃ → Fe₂(SO₄)₃ → Fe(OH)₃ → Fe₂O₃ → FeCl₃
1. 4Fe + 3O₂ → 2Fe₂O₃
2. Fe₂O₃ + 3H₂SO₄ = Fe₂(SO₄)₃ + 3H₂O3. Fe₂(SO₄)₃ + 6Na(OH) = 2Fe(OH)₃ + 3Na₂SO₄
t
4. 2Fe(OH)₃ → Fe₂O₃ + 3H₂O
5. Fe₂O₃ + HCl = 2FeCl₃ + 3H₂O