The solubility of AgBr in the presence of AgSCN in water is x×10−7molL−1. The 'x' is___ [KspAgSCN=0.96×10−12mol2L−2,KspAgBr=4.8×10−13mol2L−2]
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Solution
Let 'x' be the solubility of AgBr and y be the solubility of AgSCN. AgBr⇌Ag++Br−(x+y)xKsp=4.8×10−13AgSCN⇌Ag++SCN−(x+y)yKSp=0.96×10−124.8×10−130.96×10−12=xy=12KspAgBr=(x+y)x=4.8×10−13(x+2x)x=4.8×10−13x=4×10−7mol/L