Na₂CO₃ + 2HCl ->2NaCl + H₂O + CO₂↑ 2Na⁺ + CO₃²⁻ + 2H⁺ + 2Cl⁻->2Na⁺ + 2Cl⁻ + H₂O + CO₂↑ CO₃²⁻ + 2H⁺ -> H₂O + CO₂↑ Na₂CO₃ + H2O + CO₂ -> 2NaHCO₃ 2Na⁺ + CO₃²⁻ + H₂O + CO₂ --> 2Na⁺ + 2HCO₃⁻ CO₃²⁻ + H₂O + CO₂ --> 2HCO₃⁻