which is more soluble ?
A 1 litre solution contains 20mg each of Ag+ and Pb2+. Which salt will separate out first if to this solution K2CrO4 is added drop wise ?
The solubility product of Ag2CrO4 = 4.05X10^-12 and that of PbCrO4 = 1.8X10^-14 at the same temp. and pressure. (k=39 , Cr=52 , O=16 , Pb=207 , Ag=108)
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