The K_sp of Calcium Iodate Is 7

Multiple Choice

The K_sp of calcium iodate is 7.1 × 10−⁷.What is the concentration of Ca²⁺ in equilibrium with Ca(IO₃) ₂(s) if [IO₃−] = 3.3 × 10−² M?

A) 3.3 × 10−⁷ M
B) 2.2 × 10−⁵ M
C) 8.1 × 10−⁵ M
D) 6.5 × 10−⁴ M
E) 7.1 × 10−³ M