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Multiple Choice
For the reaction:N2 (g) + 2 O2 (g) ⇌ 2 NO2 (g), Kc = 8.3 x 10 -10 at 25°C. What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas?
A
4.82 x 109 M
B
4.82 x 10-9 M
C
2.08 x 1010 M
D
2.08 x 10-10 M
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