118 



Mr. R. W. Wood on the Dissociation 



solutions was calculated by means of the temperature-coefficient 

 from the values found by Kohlrausch and Ostwald for 18° 

 and 25°. 



In the case of the acids, it was determined by the aid of the 

 Kohlrausch law. 



The results of the determinations made with potassium and 

 sodium chloride are as follows : — 



Potassium Chloride 0°. 



Sodium Chloride 0°. 



V. 



X. 



X« 



A co 



V. 



X. 



x 8 



1 



61-10 



78-53 



1 



44-59 



68-60 



2 



62-49 



8030 



o 



4800 



7385 



4 



6446 



82-78 



4 



5076 



78-09 



8 



66-47 



85-44 



8 



53-31 



82-02 



16 



68-70 



88-30 



16 



55-36 



85-17 



32 



70 66 



90-82 



32 



57-20 



88-00 



64 



72-60 



9332 



64 



59-13 



90-77 



128 



7390 



94-99 



128 



60-10 



92-46 



256 



75-30 



96-79 



256 



61-13 



94-06 



512 



75-90 



97-56 



512 



62-43 



9605 



1024 



7635 



98-14 



1024 



63-70 



9800 



CO 



77-80 



10000 



CO 



65-00 



100 00 



Y signifies the volume containing a gram-molecular weio- n £ 

 of the salt, X the conductivity, and ^- thedissociation-deo- ree 



70 20 30 W? 30 GO 70 80 OO J OO f/O 120 130 



If we take as ordinates the values obtained by Kohlrausch 

 for the dissociation-degree at 18°, and those which I have 



