Multiple Choice
How many moles of Ca(NO3) 2 must be added to 1.0 L of a 0.12 M HF solution to begin precipitation of CaF2(s) ? For CaF2, Ksp = 4.0 10-11.
A) 2.8 10-9 mol
B) 3.3 10-10 mol
C) 5.4 10-7 mol
D) 4.8 10-12 mol
E) 5.8 10-13 mol
Correct Answer:
Verified
Correct Answer:
Verified
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