Problem: The chloride ion concentration in a solution may be determine by the precipitation of lead chloride.Pb2+ (aq) + 2Cl- (aq) → PbCl2 (s) A student finds that 16.96 mL of 0.6170 M lead nitrate is needed to precipitate all of the chloride ion in a 50.00 mL sample of an unknown. What is the molarity of the chloride ion in the student's unknown? 

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The chloride ion concentration in a solution may be determine by the precipitation of lead chloride.

Pb2+ (aq) + 2Cl- (aq) → PbCl2 (s) 

A student finds that 16.96 mL of 0.6170 M lead nitrate is needed to precipitate all of the chloride ion in a 50.00 mL sample of an unknown. What is the molarity of the chloride ion in the student's unknown? 

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