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Илья548
@Илья548
November 2021
1
13
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помогите пожалуйста.
Fe -> Fe2O3 ->(H2SO4) -> x -> BaSO4
Ca -> CaO -> Ca(OH)2 -> (HCl) -> x
Na -> NaOH -> Na2CO3 -> Na2SO4 -> NaCL -> NaNO3
Fe2O3 ->(H2SO4) -> x - это значит с использованием H2SO4 из Fe2O3 получилось вещество x
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Verified answer
4Fe + 3O₂ = 2Fe₂O₃
Fe₂O₃ + 3H₂SO₄ =
Fe₂(SO₄)₃
+ 3H₂O
Fe₂(SO₄)₃ + 3BaCl₃ = 2FeCl₃ + 3BaSO₄
2Ca + O₂ = 2CaO
CaO + H₂O = Ca(OH)₂
Ca(OH)₂ + 2HCl =
CaCl₂
+ 2H₂O
2Na +2H₂O = 2NaOH + H₂
2NaOH + CO₂ = Na₂CO₃ + H₂O
Na₂CO₃ + MgSO₄ = MgCO₃ + Na₂SO₄
Na₂SO₄ + BaCl₂ = BaSO₄ + 2NaCl
NaCl + AgNO₃ = NaNO₃ + AgCl
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Answers & Comments
Verified answer
4Fe + 3O₂ = 2Fe₂O₃Fe₂O₃ + 3H₂SO₄ = Fe₂(SO₄)₃ + 3H₂O
Fe₂(SO₄)₃ + 3BaCl₃ = 2FeCl₃ + 3BaSO₄
2Ca + O₂ = 2CaO
CaO + H₂O = Ca(OH)₂
Ca(OH)₂ + 2HCl = CaCl₂ + 2H₂O
2Na +2H₂O = 2NaOH + H₂
2NaOH + CO₂ = Na₂CO₃ + H₂O
Na₂CO₃ + MgSO₄ = MgCO₃ + Na₂SO₄
Na₂SO₄ + BaCl₂ = BaSO₄ + 2NaCl
NaCl + AgNO₃ = NaNO₃ + AgCl