# Problem: A solution begins with 0.100 M of NaF dissolved in water. What is the concentration of Magnesium ion in the solution, if MgF2 was added in excess? Ksp (MgF2) = 5.2 X 10 −11 A. 5.2 * 10−13 B. 5.2 * 10 −11 C. 5.2 * 10 −9 D. 0.00023 E. 0.00047

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A solution begins with 0.100 M of NaF dissolved in water. What is the concentration of Magnesium ion in the solution, if MgF2 was added in excess? Ksp (MgF2) = 5.2 X 10 −11

A. 5.2 * 10−13

B. 5.2 * 10 −11

C. 5.2 * 10 −9

D. 0.00023

E. 0.00047

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.

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Based on our data, we think this problem is relevant for Professor Lewis' class at USF.