A solution which is 0.1 M in NaI and also 0.1 M in Na_2(SO_4)is treate – InterviewSolution

1.	A solution which is 0.1 M in NaI and also 0.1 M in Na_2(SO_4)is treated with solid Pb(NO_3)_2 . Which compound, PbI_2 or PbSO_4 , will precipitate first? What is the concentration of anions of the least soluble compound when the more soluble one starts precipitating?
Answer» SOLUTION :`PbSO_4, 0.021M`

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