1)
HCI+NaOH=NaCI+H₂O
H⁺+CI⁻+Na⁺+OH⁻=Na⁺+CI⁻+H₂O
H⁺+OH⁻=H₂O
2)
K₂CO₃+CaCI₂=CaCO₃↓+2KCI
2K⁺+CO₃²⁻+Ca²⁺+2CI⁻=CaCO₃↓+2K⁺+2CI⁻
Ca²⁺+CO₃²⁻=CaCO₃↓
1)
HCI+NaOH=NaCI+H₂O
H⁺+CI⁻+Na⁺+OH⁻=Na⁺+CI⁻+H₂O
H⁺+OH⁻=H₂O
2)
K₂CO₃+CaCI₂=CaCO₃↓+2KCI
2K⁺+CO₃²⁻+Ca²⁺+2CI⁻=CaCO₃↓+2K⁺+2CI⁻
Ca²⁺+CO₃²⁻=CaCO₃↓