Solubility of CaF2 is 2.0×10-4 gdm-3 then Ksp of CaF2 is____________

1.	Solubility of CaF2 is 2.0×10-4 gdm-3 then Ksp of CaF2 is_______________?
A.	4.0 x 10-8
B.	3.2 x 10-11
C.	2.0 x 10-8
D.	4.0 x 10-12
Answer» C. 2.0 x 10-8

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