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Nitric oxide reacts with oxygen to form nitrogen dioxide: 2NO (g) + O2 (g) <> 2NO2 (g) What is Kc for the forward reaction if the equilibrium concentration of NO is 0.200 M, 02 is 0.100 M, and NO2 is 0.250 M a 25C? A) 6.41 x 10 - 2 B) 15.6 C) 8.00 x 10 - 2 D) 12.5