initial commit / add all books

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+Ksp=2.2*10^-8;//Solubility product of PbSO4//

+Pb=0.01;//concentration of Pb in Pb(NO3)2//

+SO4=Ksp/Pb;//Concentration of SO4 in PbSO4 solution//

+printf('Let us first calculate the maximum concentration of SO4 that can remain in equilibrium with PbSO4 if the concentration of Pb is 0.01M');

+printf('\nConcentration of SO4 in PbSO4 solution=Ksp=2.2*10^-6M\nThe concentration of SO4 should be greater than 2.2*10^-4M in order to precipitate Pb from a 0.01M solution as PbSO4');

+Pb2=Ksp/0.001;

+printf('\nConcentration of Pb in PbSO4 solution=Pb2=2.2*10^-5mol per litre');

+printf('\nHence out of 0.01moles of Pb in a litre only 2.2*10^-5mol per litre remain in solution.the precipitation is almost 99.78percent complete.');

+printf('\nTherefore it can be said that Pb is quantitatively precipitated in these conditions.');