A Study on the Solubility of slightly soluble Salt VIII. : Solubility of Lead Sulphate in various mixed Solvents of isodielectric Constant.

A S tudy on the Solubility of slightly soluble 9 alt VIII Solubility ef Lead Sulphate-in Varieus mixed Solvents of isodielectric Constant Ei KeizuMiThe author had a1ready stydied theoretically about the relation betweenand in the first repo rti) of this reseai ch introduced from the thermodynamic view point and on the base of electrostatic theory the following equation (1) whihhwd theltin btw6n the slubityf slighslubl st and the dielectric constant of the soivent where R N k and e are tbe gas Constant Roschmidt number Boltzman nu mber E nd the electricr eiementary quanttzm respectively and Co and Ci are esolubilities of the solutes in two nedia of different dielectric constants Do and Di Wi th the furthe ff i ntention of fundameRtal investigation in view of the experimental results whether the relatlon between the solubility of slightiy souble salt and the dieiectric constant was satisfied completly with the equation (1) 1 measured the solttbility of lead s lphate first in the followintt varioussolvents of isodielectric constant which were the mixed soivents of and dixne) acetne)91yceine ethaniand methEinql in the smaH range of change in dielectr @constants of the solvents at 200 250 and 300C