Solving a problem in chemistry section 6 point 33

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33. At some temperature equilibrium homogeneous system 2NO + O2↔2NO2 Set if you following concentrations reacting substances: [NO] p = 0,2 mol / l; [O2] p = 0,1 mol / l; [NO2] p = 0,1 mol / smb. Calculate the the equilibrium constant and initial concentration NO and O2.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)