mad tle A system is illustrated further by the equilibrium of this chemical reaction: M and [HI] = 1.563 M are at equilibrium; for this mixture, Qc = Kc = 50.0. If H is introduced into the system so quickly that its concentration doubles before it begins to react, (new [H] = 0.442 M). Compared with their initial amounts, which of the substances will be present in greater amount and which in lesser amount when equilibrium is established? Give your reasons.