Question: What is the value of the equilibrium constant Kc for the reaction: 2A β B + C if at equilibrium [A] = 0.5 M, [B] = 0.2 M, and [C] = 0.3 M?
Options:
Correct Answer: 0.60
Solution:
Kc = [B][C] / [A]^2 = (0.2)(0.3) / (0.5)^2 = 0.12 / 0.25 = 0.48.