When 100 ML Each of 2

Multiple Choice

When 100 mL each of 2.0 × 10^-4 M Ag⁺ and 2.0 × 10-1 M CO₃^2- are mixed, what is the remaining Ag⁺ ion concentration and is precipitation complete? The solubility product constant of Ag₂CO₃ is 8.5 × 10^-12.

A) 4.2 × 10^-8, yes
B) 2.0 × 10^-4, no
C) 9.2 × 10^-6, no
D) 1.0 × 10^-3, no
E) 8.5 × 10^-9, yes