Question

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

Answer

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