chemistry

Calculate each of these equilibrium concentrations based on the reaction below.

2 NO(g) + O2(g) 2 NO2(g) K = 1.71 1012
(a) [NO] = 0.0048 M; [O2] = 0.000057 M; [NO2] = ?

(b) [NO] = 0.0026 M; [O2] = 0.000023 M; [NO2] = ?

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  1. Are these equilibrium concns or their initial concns. The problem is clearly stated.

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