Answer to Question #119150 in General Chemistry for Abigail Rouse

General Chemistry

Question #119150

N₂ (g) + O₂ (g)<--> 2 NO (g)for which the K at 2273 K is 1.2 X 10⁻⁴. What is the concentration of NO if N₂=.166 M and O₂ =.145 M

Expert's answer

K = [NO]²/([N₂]x[O₂]) "\\implies" [NO] = (Kx[N₂]x[O₂])^1/2 = (1.2x10^-4x0.166x0.145)^1/2 = 0.0017 M

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