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Quest

Ionic Equilibrium

A solution contains a mixture of Ag+ (0.10 M) and Hg22+ (0.10 M) which are to be separated by selective precipitation. Calculate the maximum concentration of iodide ion at which one of them gets precipitated almost completely. What % of that metal ion is precipitated?

Ksp of AgI = 8.5 × 10–17and Ksp of Hg2I= 2.5 × 10–26

1)  0.17%
2)  9.983% 
3)  83%.
4)  99.83%

 

 

 




SOLUTION

 

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