The equilibrium constant, Kc, for the following reaction is 2.90102 at 1.15103K. 2SO3(g)=2SO2(g)+O2(g) If an equilibrium mixture of the three gases in a 18.2L container at 1.15103K contains 0.319mol of SO3(9) and 0.408 mol of 5O2. the equilibriu concentration of O2 is M