Question

For the reaction: N2(g) + 2 O2(g) 2 NO2(g), Kc = 8.3 10-10 at 25C. What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas?
A) 2.1 10-10 M
B) 4.2 10-10 M
C) 2.4 109 M
D) 4.8 109 M

Answer

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