Problem: Consider a beaker containing a saturated solution of CaF2 in equilibrium with undissolved CaF2(s). Solid CaCl2 is then added to the solution.Will the amount of solid CaF2 at the bottom of the beaker increase, decrease, or remain the same?

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FREE Expert Solution

We are being asked to determine the amount of solid CaF2 after the addition of solid CaClto a saturated CaF2 solution. 

We will determine if the amount of solid CaF2 increased, decreased or remain the same.


We are dealing with a Ksp problem that has a common ion effect.

Common ion effect is the effect of the addition of common ions to the equilibrium of a solution.

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Problem Details

Consider a beaker containing a saturated solution of CaF2 in equilibrium with undissolved CaF2(s). Solid CaCl2 is then added to the solution.

Will the amount of solid CaF2 at the bottom of the beaker increase, decrease, or remain the same?