Use the following to answer questions 9-10: Consider the following reaction at e

Question

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) Cant tell.

Explanation / Answer

9) On increasing the amount of PbCl2 the concentration of Cl- also increases. Because tge rate of forward reaction increases and rate of backward reaction decreases.

10) There would be no change of adding water in the equilibrium.

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