Determine the molar solubility for CaF2 by constructing an ice table. The value of Ksp for CaF2 is 3.5 × 10⁻¹¹. What is the calculated molar solubility?
a) 1.87 × 10⁻⁴ mol/L
b) 5.48 × 10⁻⁶ mol/L
c) 6.23 × 10⁻⁹ mol/L
d) 2.22 × 10⁻¹² mol/L