The solubility of CaF 2 is 0.0016818432 g per 100.0 mL at 25 o C. Calculate the

Question

The solubility of CaF2 is 0.0016818432 g per 100.0 mL at 25 oC.
Calculate the Ksp of the salt assuming that the solutedissociates completely into the cations and anions, and that theseions do not react with water. The solubility of CaF2 is 0.0016818432 g per 100.0 mL at 25 oC.
Calculate the Ksp of the salt assuming that the solutedissociates completely into the cations and anions, and that theseions do not react with water.

Explanation / Answer

CaF2---> Ca2+ + 2F-    ok turn 0.00168432g to moles from CaF2 so that molar mass is78g so that's so that's .00168432g /(78g/1mol) =2.159*10^-5 then divide by .5L so that's x = 4.31*10^-6 use the ice table and you will get 4x^3 =ksp ksp=3.2211*10^-16 hopes it works!

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