The student placed 10 mL of PbCl2 (saturated solution) in the test tube and added a pinch of NaCl. A


The student placed 10 mL of PbCl2 (saturated solution) in the test tube and added a pinch of NaCl. A white precipitate of PbCl2 formed. What happens to the value of Ksp when NaCl was added?
increase it
decrease it
remain constant


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