What Is the Equilibrium Concentration of Cl^-(aq)in a Solution That $\leftrightarrows$

What is the equilibrium concentration of Cl^-(aq) in a solution that is initially 0.0200 M solution in CuNO₃ and 0.450 M HCl(aq) ? Cu⁺(aq) + 3 Cl^-(aq) $\leftrightarrows$ CuCl₃^2- K_f = 5 $\times$ 10⁵

A) 0.450 M
B) 2.0 $\times$ 10^-6 M
C) 0.390 M
D) 0.430 M
E) 5 $\times$ 10⁵ M