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A solution is 0.10 M Pb(NO3)2 and 0.10 M AgNO3. If solid NaCl is added to...

A solution is 0.10 M Pb(NO3)2 and 0.10 M AgNO3. If solid NaCl is added to the solution, what is [Ag+] when PbCl2 begins to precipitate? (Ksp PbCl2 = 1.7 x 10-5; AgCl = 1.8 x 10-10)

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Answer #1

AgCl will precipitate first (as the Ksp is lower than PbCl2), until the ionic product equates to the Ksp. Then PbCl2 will start to precipitate.

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