What Is the Concentration of Ag⁺ in a Saturated Solution

Multiple Choice

What is the concentration of Ag⁺ in a saturated solution of Ag₂CrO₄ if
K_sp = 1 × 10−¹²?

A) 1 × 10−¹² M
B) 5 × 10−⁵ M
C) 6 × 10−⁵ M
D) 1 × 10−⁴ M
E) 2 × 10−⁴ M