2. in the reaction no + no2 ⇌ n2o3, an experiment finds equilibrium concentrations of [no] = 3.8 m, [no2] = 3.9 m, and [n2o3] = 1.3 m. what is the equilibrium constant kc for this reaction? a. 0.064 b. 0.088 c. 0.114 d. 0.193