Given the Following Equilibria,
PbBr₂(s) Pb²⁺(aq)+ 2 Br^-(aq) $~~~~~~~~$ $~~~~~~~~~~~~$

Given the following equilibria,
PbBr₂(s) Pb²⁺(aq) + 2 Br^-(aq) $~~~~~~~~$ $~~~~~~~~~~~~$ K₁ = 6.6 $\times$ 0 10^-6
Pb(OH) ₂(s) Pb²⁺(aq) + 2 OH^-(aq) $~~~~~~~~$ $~~~~~~~~$ K₂ = 1.4 $\times$ 10^-15
Determine the equilibrium constant,K_c,for the following reaction.
PbBr₂(s) + 2 OH^-(aq) Pb(OH) ₂(s) + 2 Br^-(aq)

A) 9.2 $\times$ 10^-21
B) 2.1 $\times$ 10^-10
C) 6.6 $\times$ 10^-6
D) 4.7 $\times$ 10⁹
E) 1.1 $\times$ 10²⁰