At equilibrium at an unspecified temperature the concentrations resulting from the reaction   N2(g)+O2(g)↽−−⇀2NO(g)N2(g)+O2(g)↽−−⇀2NO(g)   were [N2]eq=[O2]eq=0.300 M [N2]eq=[O2]eq=0.300 M  and [NO]eq=0.600 M.[NO]eq=0.600 M. If more NO is added, bringing its concentration to 0.900 M,0.900 M, what will the concentration of NO be after equilibrium is re‑established at the same unspecified temperature?

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