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1) Ca(NO₃)₂ + K₂CO₃=2KNO₃ + CaCO₃↓ Ca²⁺ + 2NO₃⁻ + 2K⁺ + CO₃²⁻=2K⁺ + 2NO₃⁻ + CaCO₃↓ Ca²⁺ + CO₃²⁻= CaCO₃↓ 2) 2HNO₃ + Ba(OH)₂ = Ba(NO₃)₂ + 2H₂O 2H⁺ + 2NO₃⁻ + Ba²⁺ + 2OH⁻ = Ba²⁺ + 2NO₃⁻ + 2H₂O 2H⁺ + 2OH⁻ = 2H₂O 3) Ba(NO₂)₂ + K₂SO₄ = 2KNO₃ + BaSO₄↓ Ba²⁺ + 2NO₂⁻ + 2K⁺ + SO₄²⁻ = 2K⁺+ 2NO₃⁻ + BaSO₄↓ Ba²⁺ + SO₄²⁻ = BaSO₄↓ 4) K₂CO₃ + 2HCI = 2KCI + CO₂↑+H₂O 2K⁺ + CO₃²⁻ + 2H⁺ + 2CI ⁻= 2K⁺ + 2CI⁻ + CO₂↑+H₂O CO₃²⁻ + 2H⁺ = CO₂↑+H₂O 5) Na₂CO₃ + H₂SO₄ = Na₂SO₄ + CO₂↑ + H₂O 2Na⁺ + CO₃²⁻ + 2H⁺ + SO₄²⁻ = 2Na⁺ + SO₄²⁻ + CO₂↑ + H₂O CO₃²⁻ + 2H⁺ = CO₂↑ + H₂O 6) 2NaOH + Fe(NO₃)₂= 2NaNO₃ + Fe(OH)₂↓ 2Na⁺ + 2OH⁻ + Fe²⁺ + 2NO₃⁻ = 2Na⁺ + 2NO₃⁻ + Fe(OH)₂↓ 2OH⁻ + Fe²⁺ = Fe(OH)₂↓ 7) Pb(NO₃)₂ + K₂SO₄ =2 KNO₃ + PbSO₄↓ Pb²⁺ + 2NO₃⁻ + 2K⁺ + SO₄²⁻ = 2K⁺ + 2NO₃⁻ + PbSO₄↓ Pb²⁺ + SO₄²⁻ = PbSO₄↓
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1) Ca(NO₃)₂ + K₂CO₃=2KNO₃ + CaCO₃↓
Ca²⁺ + 2NO₃⁻ + 2K⁺ + CO₃²⁻=2K⁺ + 2NO₃⁻ + CaCO₃↓
Ca²⁺ + CO₃²⁻= CaCO₃↓
2) 2HNO₃ + Ba(OH)₂ = Ba(NO₃)₂ + 2H₂O
2H⁺ + 2NO₃⁻ + Ba²⁺ + 2OH⁻ = Ba²⁺ + 2NO₃⁻ + 2H₂O
2H⁺ + 2OH⁻ = 2H₂O
3) Ba(NO₂)₂ + K₂SO₄ = 2KNO₃ + BaSO₄↓
Ba²⁺ + 2NO₂⁻ + 2K⁺ + SO₄²⁻ = 2K⁺+ 2NO₃⁻ + BaSO₄↓
Ba²⁺ + SO₄²⁻ = BaSO₄↓
4) K₂CO₃ + 2HCI = 2KCI + CO₂↑+H₂O
2K⁺ + CO₃²⁻ + 2H⁺ + 2CI ⁻= 2K⁺ + 2CI⁻ + CO₂↑+H₂O
CO₃²⁻ + 2H⁺ = CO₂↑+H₂O
5) Na₂CO₃ + H₂SO₄ = Na₂SO₄ + CO₂↑ + H₂O
2Na⁺ + CO₃²⁻ + 2H⁺ + SO₄²⁻ = 2Na⁺ + SO₄²⁻ + CO₂↑ + H₂O
CO₃²⁻ + 2H⁺ = CO₂↑ + H₂O
6) 2NaOH + Fe(NO₃)₂= 2NaNO₃ + Fe(OH)₂↓
2Na⁺ + 2OH⁻ + Fe²⁺ + 2NO₃⁻ = 2Na⁺ + 2NO₃⁻ + Fe(OH)₂↓
2OH⁻ + Fe²⁺ = Fe(OH)₂↓
7) Pb(NO₃)₂ + K₂SO₄ =2 KNO₃ + PbSO₄↓
Pb²⁺ + 2NO₃⁻ + 2K⁺ + SO₄²⁻ = 2K⁺ + 2NO₃⁻ + PbSO₄↓
Pb²⁺ + SO₄²⁻ = PbSO₄↓