1.
а) 2KOH + H₂SO₄ = K₂SO₄ + 2H₂O
2K⁺ + 2OH⁻ + 2H⁺ + SO₄²⁻ = 2K⁺ + SO₄²⁻ + 2H₂O
OH⁻ + H⁺ = H₂O
(H₂CO₃)
б) K₂CO₃ + 2HCl = 2KCl + CO₂ + H₂O
2K⁺ + CO₃²⁻ + 2H⁺ 2Cl⁻ = 2K⁺ + 2OH⁻ + CO₂ + H₂O
CO₃²⁻ + 2H⁺ = CO₂ + H₂O
в) HCl + AgNO₃ = AgCl↓ + HNO₃
H⁺ + Cl⁻ + Ag⁺ + NO₃⁻ = AgCl + H⁺ + NO₃⁻
Ag⁺ + NO₃⁻ = AgCl