He student placed 10 mL of PbCl2 (saturated solution) in the test tube and added a pinch of lead acetate,

He student placed 10 mL of PbCl2 (saturated solution) in the test tube and added a pinch of lead acetate, Pb(C2H3O2)2. When the test tube was shaken, a white precipitate of PbCl2 formed. How will this affect the concentration of Cl-?

increase it
decrease it
remain constant


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