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?

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?

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Ksp concept. You can view video lessons to learn Ksp. Or if you need more Ksp practice, you can also practice Ksp practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Bennett's class at ECU.