Совместный гидролиз

2 AlCl₃ + 3 Na₂CO₃ + 3 H₂O = 6 NaCl + 2 Al(OH)₃ + 3 CO₂

Na₂CO₃

Al³⁺ + HOH AlOH²⁺ + H⁺

CO3^2- + 2 H⁺ CO₂ + H₂O

AlCl₃ 2AlCl₃ + Na₂CO₃ + H₂O = 2NaCl + 2Al(OH)Cl₂ + CO₂

AlCl₃ CO₃^2- + HOH HCO3^- + OH^-

Al³⁺ + 3 OH^- Al(OH)₃

Na₂CO₃

3Na₂CO₃ + AlCl₃ + 3H₂O = 3NaHCO₃ + 3NaCl + Al(OH)₃

2 CrCl₃ + 3 K₂S + 6 H₂O = 6 KCl + 2 Cr(OH)₃ + 3 H₂S

K₂S

Cr³⁺ + HOH = CrOH²⁺ + H⁺

CrCl₃ S^2- + 2H⁺ = H₂S

2 CrCl₃ + K₂S + 2 H₂O = 2 Cr(OH)Cl₂ + 2KCl + H₂S

CrCl₃ S^2- + HOH HS^- + OH^-

3 OH + Cr³⁺ = Cr(OH)₃

K₂S 3 K₂S + CrCl₃ + 3 H₂O = 3 KHS + 3 KCl + Cr(OH)₃

2CuSO₄ + 2 K₂CO₃ + H₂O = 2K₂SO₄ + (CuOH)₂CO₃ + CO₂

Дата добавления: 2015-07-19