а) Pb(NO3)2 + 2NaCl → PbCl2 + 2NaNOMolecular equation: Lead(II) nitrate + Sodium chloride → Lead(II) chloride + Sodium nitratIonic equation: Pb2+ + 2NO3- + 2Na+ + 2Cl- → PbCl2 + 2Na+ + 2NO3Net ionic equation: Pb2+ + 2Cl- → PbCl2
б) Na2CO3 + H2SO4 → Na2SO4 + H2O + COMolecular equation: Sodium carbonate + Sulfuric acid → Sodium sulfate + Water + Carbon dioxidIonic equation: 2Na+ + CO3^2- + 2H+ + SO4^2- → 2Na+ + SO4^2- + H2O + CONet ionic equation: CO3^2- + 2H+ → H2O + CO2
в) KOH + HNO3 → KNO3 + H2Molecular equation: Potassium hydroxide + Nitric acid → Potassium nitrate + WateIonic equation: K+ + OH- + H+ + NO3- → K+ + NO3- + H2Net ionic equation: OH- + H+ → H2O
г) CuSO4 + 2NaOH → Cu(OH)2 + Na2SOMolecular equation: Copper(II) sulfate + Sodium hydroxide → Copper(II) hydroxide + Sodium sulfatIonic equation: Cu^2+ + SO4^2- + 2Na+ + 2OH- → Cu(OH)2 + 2Na+ + SO4^2Net ionic equation: Cu^2+ + 2OH- → Cu(OH)2
д) KCl + AgNO3 → KNO3 + AgCMolecular equation: Potassium chloride + Silver nitrate → Potassium nitrate + Silver chloridIonic equation: K+ + Cl- + Ag+ + NO3- → K+ + NO3- + AgCNet ionic equation: Cl- + Ag+ → AgCl
а) Pb(NO3)2 + 2NaCl → PbCl2 + 2NaNO
Molecular equation: Lead(II) nitrate + Sodium chloride → Lead(II) chloride + Sodium nitrat
Ionic equation: Pb2+ + 2NO3- + 2Na+ + 2Cl- → PbCl2 + 2Na+ + 2NO3
Net ionic equation: Pb2+ + 2Cl- → PbCl2
б) Na2CO3 + H2SO4 → Na2SO4 + H2O + CO
Molecular equation: Sodium carbonate + Sulfuric acid → Sodium sulfate + Water + Carbon dioxid
Ionic equation: 2Na+ + CO3^2- + 2H+ + SO4^2- → 2Na+ + SO4^2- + H2O + CO
Net ionic equation: CO3^2- + 2H+ → H2O + CO2
в) KOH + HNO3 → KNO3 + H2
Molecular equation: Potassium hydroxide + Nitric acid → Potassium nitrate + Wate
Ionic equation: K+ + OH- + H+ + NO3- → K+ + NO3- + H2
Net ionic equation: OH- + H+ → H2O
г) CuSO4 + 2NaOH → Cu(OH)2 + Na2SO
Molecular equation: Copper(II) sulfate + Sodium hydroxide → Copper(II) hydroxide + Sodium sulfat
Ionic equation: Cu^2+ + SO4^2- + 2Na+ + 2OH- → Cu(OH)2 + 2Na+ + SO4^2
Net ionic equation: Cu^2+ + 2OH- → Cu(OH)2
д) KCl + AgNO3 → KNO3 + AgC
Molecular equation: Potassium chloride + Silver nitrate → Potassium nitrate + Silver chlorid
Ionic equation: K+ + Cl- + Ag+ + NO3- → K+ + NO3- + AgC
Net ionic equation: Cl- + Ag+ → AgCl