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NEET2019ChemistryIonic EquilibriumActual

The molar solubility of CaF ₂ ( K _ sp =5.3 10⁻¹¹ ) in 0.1 M solution of NaF will be

Options

  1. A5.3 10¹¹ ~mol ~L ⁻¹
  2. B5.3 10⁻⁸ ~mol ~L ⁻¹
  3. C5.3 10⁻⁹ ~mol ~L ⁻¹
  4. D5.3 10⁻¹⁰ ~mol ~L ⁻¹

Correct answer

C. 5.3 10⁻⁹ ~mol ~L ⁻¹

Step-by-step solution

Let the solubility of CaF ₂ in 0.1 M NaF is ' S ' mol L ⁻¹

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