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Solubility product(KSP)

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By Expert Faculty of Sri Chaitanya
Question

Using the Gibb's energy change, G° = +63.3 kJ, for the following reaction, 

Ag2CO3(s)2Ag(aq)++CO3(aq)2-

the Ksp of Ag2CO3(s) in water at 25°C is 

R=8.314 J K-1 mol-1

 

Moderate
Solution

ΔG°=-2.303RTlogKsp

63.3×103 J=-2.303×8.314×298logKsp

63.3×103 J=-5705.84logKsp

logKsp=-63.3×1035705.84=-11.09

Ksp= antilog (-11.09)=8.128×10-12


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