Use the following to answer questions 9-10: Consider the following reaction at equilibrium at 25 degree C: PbCl_2 (s) rightwardsoverleftwardsarrow Pb^2+ (aq) + 2 Cl^- (aq) There is a visible precipitate at the bottom on the beaker If more solid PbC1_2 is added to the equilibrium solution, what will happen to the number of moles of chloride ions in solution? A) Stay the same B) Increase C) Decrease D) Can't tell. If water is added to the equilibrium solution, what will happen to the number of moles of chloride ions in solution? A) Decrease B) Stay the same C) increase D) CanÂt tell.