Increasing the concentration of ammonia ligands will shift the equilibrium towards the formation of copper II ammonia complex ion, according to Le Chatelier's principle. This is because the reaction will try to counteract the change by consuming the excess ammonia and forming more complex ions.The balanced chemical equation for the formation of the copper II ammonia complex ion is:Cu aq + 4NH aq Cu NH aq To calculate the equilibrium constant Kf for the reaction, we need the equilibrium concentrations of the species involved. Unfortunately, you have not provided the initial or equilibrium concentrations, so I cannot calculate the Kf value for you. However, I can guide you on how to do it.Kf = [Cu NH ] / [Cu] * [NH] Where:- [Cu NH ] is the equilibrium concentration of the copper II ammonia complex ion- [Cu] is the equilibrium concentration of the copper II ion- [NH] is the equilibrium concentration of the ammonia ligandIf you have the equilibrium concentrations, you can plug them into the formula and calculate the Kf value.