CBSE Class 11-science Answered
Equal volumes of 0.1 M MgSO4 and 0.1 M Ba Cl2 are mixed together. Predict the formation of BaSO4 precipitate. Given Ksp of BaSO4 = 1.5 x 10-9
Asked by Topperlearning User | 16 Jun, 2016, 05:24: PM
Expert Answer
BaSO4 
Ba2+ + SO4-
Ba2+ + SO4-Ksp = [Ba2+][ SO4-2] = 1.5 x 10-9
Concentration of[Ba2+]and [ SO4-2] in the final solution
[Ba2+] = 0.1 M/2 = 0.05 M
[ SO4-2] = 0.1 M/2 = 0.05 M
Now Ionic product = 0.05 x 0.05 = 2.5 x 10 -3 which is greater than Ksp = [Ba2+][ SO4-2] = 1.5 x 10-9
Hence the precipitation of BaSO4 will occur.
Answered by | 16 Jun, 2016, 07:24: PM
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