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DenisLitvin
@DenisLitvin
July 2022
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Решите плиз ☺ Химия 9 класс
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Stronghold
1.
a) Cu(NO₃)₂ = Cu²⁺ + 2NO₃⁻
б) HCl = H⁺ + Cl⁻
в) Al₂(SO₄)₃ = 2Al³⁺ + 3SO₄²⁻
г) Ba(OH)₂ = Ba²⁺ + 2OH⁻
д) ZnSO₄ = Zn²⁺ + SO₄²⁻
2.
а) LiOH + HNO₃ = LiNO₃ + H₂O
OH⁻ + H⁺ = H₂O
б) Cu(NO₃)₂ + 2NaOH = Cu(OH)₂↓ + 2NaNO₃
Cu²⁺ + 2OH⁻ = Cu(OH)₂
в) 3K₂CO₃ + 2H₃PO₄ = 2K₃PO₄ + 3CO₂ + 3H₂O
CO₃²⁻ + 2H⁺ = CO₂ + H₂O
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Answers & Comments
a) Cu(NO₃)₂ = Cu²⁺ + 2NO₃⁻
б) HCl = H⁺ + Cl⁻
в) Al₂(SO₄)₃ = 2Al³⁺ + 3SO₄²⁻
г) Ba(OH)₂ = Ba²⁺ + 2OH⁻
д) ZnSO₄ = Zn²⁺ + SO₄²⁻
2.
а) LiOH + HNO₃ = LiNO₃ + H₂O
OH⁻ + H⁺ = H₂O
б) Cu(NO₃)₂ + 2NaOH = Cu(OH)₂↓ + 2NaNO₃
Cu²⁺ + 2OH⁻ = Cu(OH)₂
в) 3K₂CO₃ + 2H₃PO₄ = 2K₃PO₄ + 3CO₂ + 3H₂O
CO₃²⁻ + 2H⁺ = CO₂ + H₂O