1.

A solution of Pb(NO_(3))_(2) is added dropwise to a second solution in which [Cl^(-)]=[F^(-)]=[I^(-)]=[SO_(4)^(2-)]=0.001 M. What is the first precipitate that forms?

Answer»

`PbCl_(2)""(K_(sp)=1.5xx10^(-5))`
`PbF_(2)""(K_(sp)=3.7xx10^(-8))`
`PbI_(2)""(K_(sp)=8.5xx10^(-9))`
`PbSO_(4)""(K_(sp)=1.8xx10^(-8))`

Answer :d


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