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3. What is the concentration of Pb if PbBrais placed in a 0.05M solution of NaBr? (You may assume no complexes are formed.) 4
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Concentration of NaBr = 0.05 M

The dissociation reaction of NaBr

NaBr = Na+ + Br-

Concentration of Br- = 0.05 M

In this solution PbBr2 is mixed

The dissociation reaction of PbBr2

PbBr2 = Pb2+ + 2Br-

Concentration of Br- = 2*0.05 = 0.10 M

Concentration of Pb2+ = 0.10 M

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