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CaCO₃ ⟶ Ca²⁺ + CO₃²⁻ CaC₂O₄ ⟶ Ca²⁺ + C₂O₄²⁻ Ksp = [Ca²⁺][CO₃²⁻]

1. CaCO₃
2. CaC₂O₄
3. Both CaCO₃ and CaC₂O₄
4. None of these

Correct answer: Both CaCO₃ and CaC₂O₄

Solution

Both CaCO₃ and CaC₂O₄ are sparingly soluble salts, and their solubility is governed by their respective solubility product constants (Ksp). Thus, both dissociate into their ions as shown.

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