Problem: Ksp for CaF2 is 3.9 × 10−11. Would a precipitate of CaF2 form if Ca(NO3)2 and NaF solutions were mixed such that [Ca2+] = 2.0 × 10−4 M, and [F−] = 3.0 × 10−4 M? 1. no  2. yes, because Q is smaller than Ksp 3. yes, because Q is larger than Ksp

FREE Expert Solution
88% (479 ratings)
Problem Details

Ksp for CaF2 is 3.9 × 10−11. Would a precipitate of CaF2 form if Ca(NO3)2 and NaF solutions were mixed such that [Ca2+] = 2.0 × 10−4 M, and [F] = 3.0 × 10−4 M?

1. no 

2. yes, because Q is smaller than Ksp

3. yes, because Q is larger than Ksp

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 Selective Precipitation concept. If you need more Selective Precipitation practice, you can also practice Selective Precipitation practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofKsp for CaF2 is 3.9 × 10−11. Would a precipitate of CaF2 for...as medium difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Jules took 4 minutes and 12 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

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