1) ZnCl₂+ 2NaOH=Zn(OH)₂↓+2NaCI
Zn²⁺+2Cl⁻+ 2Na⁺+2OH⁻=Zn(OH)₂↓+2Na⁺+2CI⁻
Zn²⁺+2OH⁻=Zn(OH)₂↓
2) CuSO₄ + 2NaOH=Cu(OH)₂↓+Na₂SO₄
Cu²⁺+SO₄²⁻ + 2Na⁺+2OH⁻=Cu(OH)₂↓+2Na⁺+SO₄²⁻
Cu²⁺+2OH⁻=Cu(OH)₂↓
3) KCl + AgNO₃ =AgCI↓+KNO₃
K⁺+Cl⁻ + Ag⁺+NO₃⁻ =AgCI↓+K⁺+NO₃⁻
Cl⁻ + Ag⁺ =AgCI↓
4) Na₂CO₃ + Ca(OH)₂ =CaCO₃↓+2NaOH
2Na⁺+CO₃²⁻ + Ca²⁺+2OH⁻ =CaCO₃↓+2Na⁺+2OH⁻
CO₃²⁻ + Ca²⁺ =CaCO₃↓
5) Fe(NO₃)₃ + 3KOH=Fe(OH)₃↓+3KNO₃
Fe³⁺+3NO₃⁻ + 3K⁺+3OH⁻=Fe(OH)₃↓+3K⁺+3NO₃⁻
Fe³⁺+3OH⁻=Fe(OH)₃↓
6) K₂CO₃ + Mg(OH)₂ ≠
7) FeCl₂ + 2NaOH =Fe(OH)₂↓+2NaCI
Fe²⁺+2Cl⁻ + 2Na⁺+2OH⁻ =Fe(OH)₂↓+2Na⁺+2CI⁻
Fe²⁺+2OH⁻ =Fe(OH)₂↓
8) FeSO₄ + 2NaOH= Fe(OH)₂↓+Na₂SO₄
Fe²⁺+SO₄²⁻ + 2Na⁺+2OH⁻= Fe(OH)₂↓+2Na⁺+SO₄²⁻
Fe²⁺+2OH⁻= Fe(OH)₂↓
9) Cu(OH)₂ + 2HCl =CuCI₂+2H₂O
Cu(OH)₂ + 2H⁺+2Cl⁻ =Cu²⁺+2CI⁻+2H₂O
Cu(OH)₂ + 2H⁺ =Cu²⁺+2H₂O
10) MgCO₃ + 2HCl =MgCI₂+CO₂↑+H₂O
MgCO₃ + 2H⁺+2Cl⁻ =Mg²⁺+2CI⁻+CO₂↑+H₂O
MgCO₃ + 2H⁺ =Mg²⁺+CO₂↑+H₂O
11) Na₂CO₃ + Ca(NO₃)₂ =CaCO₃↓+2NaNO₃
2Na⁺+CO₃²⁻ + Ca²⁺+2NO₃⁻ =CaCO₃↓+2Na⁺+2NO₃⁻
CO₃²⁻ + Ca²⁺=CaCO₃↓
12) AlCl₃ + 3NaOH=AI(OH)₃↓+3NaCI
Al³⁺+3Cl⁻ + 3Na⁺+3OH⁻=AI(OH)₃↓+3Na⁺+3CI⁻
Al³⁺+3OH⁻=AI(OH)₃↓
1) ZnCl₂+ 2NaOH=Zn(OH)₂↓+2NaCI
Zn²⁺+2Cl⁻+ 2Na⁺+2OH⁻=Zn(OH)₂↓+2Na⁺+2CI⁻
Zn²⁺+2OH⁻=Zn(OH)₂↓
2) CuSO₄ + 2NaOH=Cu(OH)₂↓+Na₂SO₄
Cu²⁺+SO₄²⁻ + 2Na⁺+2OH⁻=Cu(OH)₂↓+2Na⁺+SO₄²⁻
Cu²⁺+2OH⁻=Cu(OH)₂↓
3) KCl + AgNO₃ =AgCI↓+KNO₃
K⁺+Cl⁻ + Ag⁺+NO₃⁻ =AgCI↓+K⁺+NO₃⁻
Cl⁻ + Ag⁺ =AgCI↓
4) Na₂CO₃ + Ca(OH)₂ =CaCO₃↓+2NaOH
2Na⁺+CO₃²⁻ + Ca²⁺+2OH⁻ =CaCO₃↓+2Na⁺+2OH⁻
CO₃²⁻ + Ca²⁺ =CaCO₃↓
5) Fe(NO₃)₃ + 3KOH=Fe(OH)₃↓+3KNO₃
Fe³⁺+3NO₃⁻ + 3K⁺+3OH⁻=Fe(OH)₃↓+3K⁺+3NO₃⁻
Fe³⁺+3OH⁻=Fe(OH)₃↓
6) K₂CO₃ + Mg(OH)₂ ≠
7) FeCl₂ + 2NaOH =Fe(OH)₂↓+2NaCI
Fe²⁺+2Cl⁻ + 2Na⁺+2OH⁻ =Fe(OH)₂↓+2Na⁺+2CI⁻
Fe²⁺+2OH⁻ =Fe(OH)₂↓
8) FeSO₄ + 2NaOH= Fe(OH)₂↓+Na₂SO₄
Fe²⁺+SO₄²⁻ + 2Na⁺+2OH⁻= Fe(OH)₂↓+2Na⁺+SO₄²⁻
Fe²⁺+2OH⁻= Fe(OH)₂↓
9) Cu(OH)₂ + 2HCl =CuCI₂+2H₂O
Cu(OH)₂ + 2H⁺+2Cl⁻ =Cu²⁺+2CI⁻+2H₂O
Cu(OH)₂ + 2H⁺ =Cu²⁺+2H₂O
10) MgCO₃ + 2HCl =MgCI₂+CO₂↑+H₂O
MgCO₃ + 2H⁺+2Cl⁻ =Mg²⁺+2CI⁻+CO₂↑+H₂O
MgCO₃ + 2H⁺ =Mg²⁺+CO₂↑+H₂O
11) Na₂CO₃ + Ca(NO₃)₂ =CaCO₃↓+2NaNO₃
2Na⁺+CO₃²⁻ + Ca²⁺+2NO₃⁻ =CaCO₃↓+2Na⁺+2NO₃⁻
CO₃²⁻ + Ca²⁺=CaCO₃↓
12) AlCl₃ + 3NaOH=AI(OH)₃↓+3NaCI
Al³⁺+3Cl⁻ + 3Na⁺+3OH⁻=AI(OH)₃↓+3Na⁺+3CI⁻
Al³⁺+3OH⁻=AI(OH)₃↓
2) 6KOH + P2O5 --> 2K3PO4 + 3H2O
3) 3Ba(NO3)2 + 2H3PO4 --> Ba3(PO4)2 (выпадает в осадок) + 6HNO3
4) Fe2O3 + 6HCl --> 2FeCl3 + 3H2O
5) 2NaNO3 + H2SO4 --> Na2SO4 + 2HNO3 (но, на самом деле, эта реакция не пойдет, так как не образуется ни газ, ни осадок, ни вода)
6) MgCO3 + 2HCl --> MgCl2 + CO2 + H2O
7) 3CaO + 2H3PO4 --> Ca3(PO4)2 (выпадает в осадок) + 3H2O
8) 3Mg(NO3)2 + 2Na3PO4 --> Mg3(PO4)2 (выпадает в осадок) + 6NaNO3
9) MnO2 + 4HCl --> MnCl2 + 2H2O
10) 2KOH + H2SO4 --> K2SO4 + H2O
11) Al(OH)3 + 3HNO3 --> Al(NO3)3 + 3H2O
12) AgNO3 + Cu --> Ag + Cu(NO3)2
13) 4HNO3 --> 4NO2 + O2 + 2H2O