At a certain temperature, the equilibrium constant, Kc, for this reaction is 53. 3. H2(g)+i2(g)↽−−⇀2hi(g)Kc=53. 3 at this temperature, 0. 400 mol h2 and 0. 400 mol i2 were placed in a 1. 00 l container to react. What concentration of hi is present at equilibrium?.