A Solution Contains 0

Multiple Choice

A solution contains 0.021 M Cl⁻ and 0.017 M I⁻.A solution containing copper(I) ions is added to selectively precipitate one of the ions.At what concentration of copper(I) ion will a precipitate begin to form? What is the identity of the precipitate? K_sp(CuCl) = 1.0 × 10^-6,K_sp(CuI) = 5.1 × 10^-12.

A) 3.0 × 10^-10 M, CuI
B) 3.0 × 10^-10 M, CuCl
C) 4.8 × 10^-5 M, CuCl
D) 4.8 × 10^-5 M, CuI
E) No precipitate will form at any concentration of copper(I) .