Ответ:
Na₂CO₃+Ba(OH)₂=BaCO₃+2NaOH
2Na⁺+CO₃²⁻+Ba²⁺+2OH⁻=BaCO₃↓+2Na⁺+2OH⁻
Na₂CO₃+2HNO₃=2NaNO₃+CO₂+H₂O
2Na⁺+CO₃²⁻+2H+2NO₃=CO₂↑+H₂O+2Na+2NO₃
Na₂CO₃+CaCl₂=CaCO₃+2NaCl
2Na⁺+CO₃²⁻+Ca²⁺+2Cl⁻=CaCO₃↓+2Na⁺+2Cl⁻
Na₂CO₃+H₂S=CO₂+H₂O+Na₂S
2Na⁺+CO₃²⁻+2H⁺+S²⁻=CO₂↑+H₂O+2Na⁺+S²⁻
FeCl₂+Na₂CO₃=FeCO₃+2NaCl
2Na⁺+CO₃²⁻+Fe²⁺+2Cl⁻=FeCO₃↓+2Na⁺+2Cl⁻
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Ответ:
Na₂CO₃+Ba(OH)₂=BaCO₃+2NaOH
2Na⁺+CO₃²⁻+Ba²⁺+2OH⁻=BaCO₃↓+2Na⁺+2OH⁻
Na₂CO₃+2HNO₃=2NaNO₃+CO₂+H₂O
2Na⁺+CO₃²⁻+2H+2NO₃=CO₂↑+H₂O+2Na+2NO₃
Na₂CO₃+CaCl₂=CaCO₃+2NaCl
2Na⁺+CO₃²⁻+Ca²⁺+2Cl⁻=CaCO₃↓+2Na⁺+2Cl⁻
Na₂CO₃+H₂S=CO₂+H₂O+Na₂S
2Na⁺+CO₃²⁻+2H⁺+S²⁻=CO₂↑+H₂O+2Na⁺+S²⁻
FeCl₂+Na₂CO₃=FeCO₃+2NaCl
2Na⁺+CO₃²⁻+Fe²⁺+2Cl⁻=FeCO₃↓+2Na⁺+2Cl⁻