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A saturated solution of calcium fluoride contains 2 x 10–4 mole of the salt per litre of the solution. Its Ksp is:(a) 8 x 10–18 (b) 3.2 x 10–11(c) 4 x 10–6 (d) 1.43 x 10–9 |
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Answer» Correct option: (b) 3.2 x 10–11 Explanation: Ksp for CaF2 = 4s3 = 4 x (2 x 10–4)3 = 3.2 x 10–11 |
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