WORK OF E. G. MAHIN. 



123 



Table 89. Temperature Coefficients of Conductivity of Lithium Nitrate. 



In the solutions in pure water and in pure acetone it would seem that complete 

 dissociation has been very nearly attained. In aqueous solution the value for fx x at 

 18, calculated from the law of Kohlrausch and by use of the constants for the ions 

 of lithium nitrate as given by him, 1 is 95. The corresponding value, calculated 

 from our highest conductivity at 0, by use of the temperature coefficient, is 94. In 

 the solutions other than in water and acetone, complete dissociation has not been 

 reached, but we have approached it closely enough so that the properties of the 

 completely dissociated solution may be predicted. The conductivity curves have 

 assumed nearly the same form as the fluidity curves for the solvents. 



In order to test the applicability of Ostwald's dilution law, the values of 



K = 



a* 



have been calculated for the solutions of lithium nitrate in acetone 



(l-a> 



from all available data. In table 90 the values for fx v from F=10 to V 1,600, 

 inclusive, are taken from the paper of Jones and Bingham. From this point the 

 values are those which have been obtained in this investigation. 



Table 90. Ionization Constant for Lithium Nitrate in Acetone. 



It will be seen that K becomes practically constant at F = 200 for solutions at 

 both and 25, which would indicate that the highest value for /i, that obtained 

 at F= 100,000, is not far from the maximum molecular conductivity. The fact 



^itzungsber. d. K. Preuss. Akad. d. Wiss. Math. Kl. 1904, 574 u. 582. 



