Question

Write down the Ksp expression for CaF2. If the molar solubility of CaF2 at 35℃ is 1.24×10^(-3)mol/dm3, calculate the value of Ksp.
CaF2(s) ==> Ca^+2 + 2F^-

Ksp = (Ca^+2)(F^-)^2.
Set up an ICE chart and solve.

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