Question

Given the following equilibria,
PbBr2(s) Pb2+(aq) + 2 Br-(aq) K1 = 6.6 10-6
Pb(OH)2(s) Pb2+(aq) + 2 OH-(aq) K2 = 1.4 10-15
determine the equilibrium constant, Kc, for the following reaction.
PbBr2(s) + 2 OH-(aq) Pb(OH)2(s) + 2 Br-(aq)
A.9.2 10-21
B.2.1 10-10
C.6.6 10-6
D.4.7 109
E.1.1 1020

Answer

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