214 



PROCEEDINGS OF THE AMERICAN ACADEMY. 



Potass /um Chlor/df. 



J200 

 //00 

 /000 

 SOO 

 GOO 

 700 

 600 

 SOO 

 ■400 

 JOO 

 SOO 



/oo 



■*<? <5<? /c'i? /60 SOO S<4Q 



Figure 11. 



S80 3SO 360 



the mean of that derived by using the values of A at 18 and 281° and at 

 18 aud 306°. The value of 3.57 in the case of potassium chloride was 



calculated from the values of A at 18° and 218°. 



The values of A„ cal- 



culated from these equations are given in the following table beside those 

 previously found. 



TABLE XII. 



The A n Values as a Linear Temperature Function. 



