a)
Ca(OH)₂ + H₂SO₄ ---> CaSO₄ + 2H₂O
Ca²⁺ + 2OH⁻ + 2H⁺ + SO₄²⁻ ---> Ca²⁺ + SO₄²⁻ + 2H₂O
2H⁺ + 2OH⁻ ---> 2H₂O
b)
Mg(OH)₂ + 2HNO₃ ---> Mg(NO₃)₂ + 2H₂O
Mg²⁺ + 2OH⁻ + 2H⁺ + 2NO₃⁻ ---> Mg²⁺ + 2NO₃⁻ + 2H₂O
c)
2KOH + H₂CO₃ ---> K₂CO₃ + 2H₂O
2K⁺ + 2OH⁻ + 2H⁺ + CO₃²⁻ ---> 2K⁺ + CO₃²⁻ + 2H₂O
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a)
Ca(OH)₂ + H₂SO₄ ---> CaSO₄ + 2H₂O
Ca²⁺ + 2OH⁻ + 2H⁺ + SO₄²⁻ ---> Ca²⁺ + SO₄²⁻ + 2H₂O
2H⁺ + 2OH⁻ ---> 2H₂O
b)
Mg(OH)₂ + 2HNO₃ ---> Mg(NO₃)₂ + 2H₂O
Mg²⁺ + 2OH⁻ + 2H⁺ + 2NO₃⁻ ---> Mg²⁺ + 2NO₃⁻ + 2H₂O
2H⁺ + 2OH⁻ ---> 2H₂O
c)
2KOH + H₂CO₃ ---> K₂CO₃ + 2H₂O
2K⁺ + 2OH⁻ + 2H⁺ + CO₃²⁻ ---> 2K⁺ + CO₃²⁻ + 2H₂O
2H⁺ + 2OH⁻ ---> 2H₂O