А) 2H⁺ + SiO₃²⁻= H₂SiO₃↓
H₂SO₄ + Na₂SiO₃ = H₂SiO₃↓ + Na₂SO₄
2H⁺ + SO₄²⁻ + 2Na⁺ + SiO₃²⁻ = H₂SiO₃↓ + 2Na⁺ + SO₄²⁻
Б) Al³⁺ + 3OH⁻ = Al(OH)₃↓
AICI₃ + 3NaOH = Al(OH)₃↓ + 3NaCI
Al³⁺ + 3CI⁻ + 3Na⁺ + 3OH⁻ = Al(OH)₃↓ + 3Na⁺ + CI⁻
А) 2H⁺ + SiO₃²⁻= H₂SiO₃↓
H₂SO₄ + Na₂SiO₃ = H₂SiO₃↓ + Na₂SO₄
2H⁺ + SO₄²⁻ + 2Na⁺ + SiO₃²⁻ = H₂SiO₃↓ + 2Na⁺ + SO₄²⁻
Б) Al³⁺ + 3OH⁻ = Al(OH)₃↓
AICI₃ + 3NaOH = Al(OH)₃↓ + 3NaCI
Al³⁺ + 3CI⁻ + 3Na⁺ + 3OH⁻ = Al(OH)₃↓ + 3Na⁺ + CI⁻