At equilibrium, the concentrations of N 2 =3.0 × 10 -3 M, O 2 = 4.2 × 10 -3 M, and NO = 2.8 × 10 -3 M in a sealed vessel at 800 K. What will be Kc for the reaction N 2 (g) + O 2 (g) → 2NO(g)?

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Correct answer: B. 0.622

Correct Option is : (B) 0.622

At equilibrium, the concentrations of N 2 =3.0 × 10 -3 M, O 2 = 4.2 × 10 -3 M, and NO = 2.8 × 10 -3 M in a sealed vessel at 800 K. What will be Kc for the reaction N 2 (g) + O 2 (g) → 2NO(g)?

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