1.
Ca(NO₃)₂ + K₂CO₃ = CaCO₃ + 2KNO₃
Ca²⁺ + 2NO₃⁻ + 2K⁺ + CO₃²⁻ = CaCO₃ + 2K⁺ + 2NO₃⁻
Ca²⁺ + CO₃²⁻ = CaCO₃
2HNO₃ + Ba(OH)₂ = Ba(NO₃)₂ + 2H₂O
2H⁺ + NO₃⁻ + Ba²⁺ + 2OH⁻ = Ba²⁺ + 2NO₃⁻ + 2H₂O
H⁺ + OH⁻ = H₂O
Ba(NO₃)₂ + K₂SO₄ = BaSO₄ + 2KNO₃
Ba²⁺ + 2NO₃⁻ 2K⁺ + SO₄²⁻= BaSO₄ + 2K⁺ + 2NO₃⁻
Ba²⁺ + SO₄²⁻= BaSO₄
K₂CO₃ + 2HCl = 2KCl + H₂O + CO₂
2K⁺ + CO₃²⁻ + 2H⁺ + 2Cl⁻ = 2K⁺ + 2Cl⁻ + H₂O + CO₂
CO₃²⁻ + 2H⁺ = H₂O + CO₂
Na₂CO₃ + H₂SO₄ = Na₂SO₄ + H₂O + CO₂
2Na⁺ + CO₃²⁻ + 2H⁺ + SO₄²⁻ = 2Na⁺ + SO₄²⁻ + H₂O + CO₂
CO₃²⁻ + 2H⁺ =H₂O + CO₂
2NaOH + Fe(NO₃)₂ = Fe(OH)₂ + 2NaNO₃
2Na⁺ + 2OH⁻ + Fe²⁺ + 2NO₃⁻ = Fe(OH)₂ + 2Na⁺ + 2NO₃⁻
2OH⁻ + Fe²⁺ = Fe(OH)₂
Pb(NO₃)₂ + K₂SO₄ = PbSO₄ + 2KNO₃
Pb²⁺ + 2NO₃⁻ + 2K⁺ + SO₄²⁻ = PbSO₄ + 2K⁺ + 2NO₃⁻
Pb²⁺ + SO₄²⁻ = PbSO₄
Na₂SiO₃ + Ba(OH)₂ = BaSiO₃ + 2NaOH
2Na⁺ + SiO₃²⁻ + Ba²⁺ + 2OH⁻ = BaSiO₃ + 2Na⁺ + 2OH⁻
SiO₃²⁻ + Ba²⁺ = BaSiO₃
FeCl₃ + 3CsOH = Fe(OH)₃ + 3CsCl
Fe³⁺ + 3Cl⁻ + 3Cs⁺ + 3OH⁻ = Fe(OH)₃ + 3Cs⁺ + 3Cl⁻
Fe³⁺ + 3OH⁻ = Fe(OH)₃
3FeSO₄ + 2Na₃PO₄ = Fe₃(PO₄)₂ + 3Na₂SO₄
3Fe²⁺ + 3SO₄²⁻ + 6Na⁺ + 2PO₄³⁻ = Fe₃(PO₄)₂ + 6Na⁺ + 3SO₄²⁻
3Fe²⁺ + 2PO₄³⁻ = Fe₃(PO₄)₂
2/
Fe(OH)₂ + 2HNO₃ = Fe(NO₃)₂ + 2H₂O
Fe(OH)₂ + 2H⁺ + 2NO₃⁻ = Fe²⁺ + 2NO₃⁻ + 2H₂O
Fe(OH)₂ + 2H⁺ + = Fe²⁺ + 2H₂O
2Fe(OH)₃ + 3H₂SO₄ = Fe₂(SO₄)₃ + 6H₂O
2Fe(OH)₃ + 6H⁺ + 3SO₄²⁻ = 2Fe³⁺ + 3SO₄²⁻ + 6H₂O
2Fe(OH)₃ + 6H⁺ = 2Fe³⁺ + 6H₂O
MgCO₃ + 2HCl = MgCl₂ + H₂O + CO₂
MgCO₃ + 2H⁺ + 2Cl⁻ = Mg²⁺ + 2Cl⁻ +H₂O + CO₂
MgCO₃ + 2H⁺ = Mg²⁺ +H₂O + CO₂
Cu(OH)₂ + 2HNO₃ = Cu(NO₃)₂ + 2H₂O
Cu(OH)₂ + 2H⁺ + 2NO₃⁻ = Cu²⁺ + 2NO₃⁻ + 2H₂O
Cu(OH)₂ + 2H⁺ = Cu²⁺ + 2H₂O
2Al(OH)₃ + 3H₂SO₄ = Al₂(SO₄)₃ + 6H₂O
2Al(OH)₃ + 6H⁺ + 3SO₄²⁻ = 2Al³⁺ + 3SO₄²⁻ + 6H₂O
2Al(OH)₃ + 6H⁺ = 2Al³⁺ + 6H₂O
AlCl₃ + 3AgNO₃ = Al(NO₃)₃ + 3AgCl
Al³⁺ + 3Cl⁻ + 3Ag⁺ + 3NO₃⁻ = Al³⁺ + 3NO₃⁻ + 3AgCl
3Cl⁻ + 3Ag⁺ = Al³⁺ + 3NO₃⁻ + 3AgCl
FeCl₂ + 2AgNO₃ = Fe(NO₃)₂ + 2AgCl
Fe²⁺ + 2Cl⁻ + 2Ag⁺ + 2NO₃⁻ = Fe²⁺ + 2NO₃⁻ + 2AgCl
2Cl⁻ + 2Ag⁺ = 2AgCl