50 ML of 12 M NH₃ Is Added to 500

Multiple Choice

5.0 mL of 12 M NH₃ is added to 500. mL of 0.050 M AgNO₃. What concentration of silver ion will exist after equilibrium is established [K_f for Ag(NH₃) ₂⁺ is 1.5 * 10⁷.]

A) 8.2 * 10^-6 M
B) 8.4 * 10^-6 M
C) 8.6 * 10^-6 M
D) 8.8 * 10^-6 M
E) None of the above