When Equal Volumes of the Indicated Aqueous Solutions Are Mixed,precipitation

Multiple Choice

When equal volumes of the indicated aqueous solutions are mixed,precipitation should occur only for:

A) 2 × 10^-5 M Ag⁺ + 2 × 10^-5 M CO₃^2-
B) 2 × 10^-4 M Ca²⁺ + 2 × 10^-4 M CO₃^2-
C) 2 × 10^-5 M Ca²⁺ + 2 × 10^-3 M F^-
D) 2 × 10^-5 M Mg²⁺ + 2 × 10^-6 M F^-
E) 2 × 10^-3 M Ba²⁺ + 2 × 10^-3 M F^-