How many moles of Ca(NO3)2 must be added to 1.0 L of a 0.203 M KF solution to begin precipitation of CaF2? For CaF2, Ksp = 4.0 × 10-11. a) 2х 10-10 b) 1.6х 10-12 c) 4.9 x 10-10 d) 3.1 х 10-5 e) 9.7 x 10-10
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How many moles of Ca(NO3)2 must be added to 1.0 L of a 0.203 M KF solution to begin precipitation of CaF2? For CaF2, Ksp = 4.0 × 10-11.
a) 2х 10-10
b) 1.6х 10-12
c) 4.9 x 10-10
d) 3.1 х 10-5
e) 9.7 x 10-10
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