a) Na₂CO₃ + Ba(OH)₂ ---> BaCO₃ + 2NaOH2Na⁺ + CO₃²⁻ + Ba²+ + 2OH⁻ ---> BaCO₃ + 2Na⁺ + 2OH⁻CO₃²⁻ + Ba²⁺ ---> BaCO₃
b) Na₂SO₃ + Ca(OH)₂ ---> CaSO₃ + 2NaOH2Na⁺ + SO₃²⁻ + Ca²⁺ + 2OH⁻ ---> CaSO₃ + 2Na⁺ + 2OH⁻SO₃²⁻ + Ca²+ ---> CaSO₃
c) 2K₃PO₄ + 3Sr(OH)₂ ---> Sr₃(PO₄)₂ + 6KOH6K⁺ + 2PO₄³⁻ + 3Sr²+ + 6OH⁻ ---> Sr₃(PO₄)₂ + 6K⁺ +6OH⁻2PO₄³⁻ + 3Sr²+ ---> Sr₃(PO₄)₂
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a) Na₂CO₃ + Ba(OH)₂ ---> BaCO₃ + 2NaOH
2Na⁺ + CO₃²⁻ + Ba²+ + 2OH⁻ ---> BaCO₃ + 2Na⁺ + 2OH⁻
CO₃²⁻ + Ba²⁺ ---> BaCO₃
b) Na₂SO₃ + Ca(OH)₂ ---> CaSO₃ + 2NaOH
2Na⁺ + SO₃²⁻ + Ca²⁺ + 2OH⁻ ---> CaSO₃ + 2Na⁺ + 2OH⁻
SO₃²⁻ + Ca²+ ---> CaSO₃
c) 2K₃PO₄ + 3Sr(OH)₂ ---> Sr₃(PO₄)₂ + 6KOH
6K⁺ + 2PO₄³⁻ + 3Sr²+ + 6OH⁻ ---> Sr₃(PO₄)₂ + 6K⁺ +6OH⁻
2PO₄³⁻ + 3Sr²+ ---> Sr₃(PO₄)₂