Given the Two Equilibria Below,
Ag(NH₃)₂⁺(aq) $\rightleftharpoons$ $\leftrightharpoons$ Ag⁺(aq) + 2NH₃(aq); K_d = 5

Given the two equilibria below,
Ag(NH₃) ₂⁺(aq) $\rightleftharpoons$$\leftrightharpoons$ Ag⁺(aq) + 2NH₃(aq) ; K_d = 5.9 × 10^-8
AgCN(s) $\rightleftharpoons$ Ag⁺(aq) + CN?(aq) ; K_sp = $2.2 \times 10 ^ { - 16 }$ what is K for the following equilibrium?
AgCN(s) + 2NH₃(aq) $\rightleftharpoons$ Ag(NH₃) ₂⁺(aq) + CN^-(aq)

A) $3.7 \times 10 ^ { - 9 }$
B) $1.3 \times 10 ^ { - 23 }$
C) $2.7 \times 10 ^ { 8 }$
D) $1.4 \times 10 ^ { - 17 }$
E) $2.7 \times 10 ^ { 0 }$