A solution contains 2010-3 m pb2 and 1010-4 m cu i- is, Ask an Expert

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A solution contains 2.0*10^-3 M Pb^2+ and 1.0*10^-4 M Cu^+. I^- is added to the solution little by little, will CuI (Ksp=1.0*10^-12) or PbI2 (Ksp=7.9*10^-9) precipitate first? Determine the concentration of I^- required to commence precipitation of each salt.

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Category:- Chemistry
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