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Nitric oxide reacts with oxygen to form nitrogen dioxide: 2 NO(g) + O2(g)⇌2 NO2(g) What is Kc' for the reverse reaction if the equilibrium concentration of NO is 0.300 M, O2 is 0.200 M, and NO2 is 0.530 M at 25°C? A) 0.624 B) 15.6 C) 0.0641 D) 0.0340