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LeraNovak
@LeraNovak
October 2021
2
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Закончите молекулярные уравнения и запишите соответствущие им ионные уравнения:
1. H₂So₄ + Fe (OH)₃
2. HCl + FeS
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Answers & Comments
Тысячелетний
1). 3H₂SO₄ + Fe(OH)₃ = Fe₂(SO₄)₃ + 3H₂O;
6H⁺ +
3SO₄⁻
+ Fe(OH)₃ = 2Fe³⁺ +
3SO₄²⁻
+ 3H₂O;
6H⁺ + Fe(OH)₃ = 2Fe³⁺ + 3H₂O.
2). 2HCl + FeS = FeCl₂ + H₂S;
2H⁺ +
2Cl⁻
+ FeS = Fe²⁺ +
2Cl⁻
+ H₂S;
2H⁺ + FeS = Fe²⁺ + H₂S.
2 votes
Thanks 1
MailaMiller
Verified answer
1. 3H₂SO₄ + 2Fe(OH)₃ = Fe₂(SO₄)₃ + 6H₂O
6H⁺¹ + 3SO₄⁻² + 2Fe(OH)₃ = 2Fe⁺³ + 3SO₄⁻² + 6H₂O
6H⁺¹ + 2Fe(OH)₃ = 2Fe⁺³ + 6H₂O
2. 2HCl + FeS = FeCl₂ + H₂S
2H⁺¹ + 2Cl⁻¹ + FeS = Fe⁺² + 2Cl⁻¹ + H₂S
2H⁺¹ + FeS = Fe⁺² + H₂S
1 votes
Thanks 1
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Answers & Comments
6H⁺ + 3SO₄⁻ + Fe(OH)₃ = 2Fe³⁺ + 3SO₄²⁻ + 3H₂O;
6H⁺ + Fe(OH)₃ = 2Fe³⁺ + 3H₂O.
2). 2HCl + FeS = FeCl₂ + H₂S;
2H⁺ + 2Cl⁻ + FeS = Fe²⁺ + 2Cl⁻ + H₂S;
2H⁺ + FeS = Fe²⁺ + H₂S.
Verified answer
1. 3H₂SO₄ + 2Fe(OH)₃ = Fe₂(SO₄)₃ + 6H₂O6H⁺¹ + 3SO₄⁻² + 2Fe(OH)₃ = 2Fe⁺³ + 3SO₄⁻² + 6H₂O
6H⁺¹ + 2Fe(OH)₃ = 2Fe⁺³ + 6H₂O
2. 2HCl + FeS = FeCl₂ + H₂S
2H⁺¹ + 2Cl⁻¹ + FeS = Fe⁺² + 2Cl⁻¹ + H₂S
2H⁺¹ + FeS = Fe⁺² + H₂S