Force and Osmotic Pressure. 395 



Zrd Series. — Solutions made up directly by weight. Rod 

 cells. 



gm. equi v./litre. 

 1000 C. 



log C=-i//. 



E.M.F. 



Volts. 



E M.F. 



differences. 

 Volts X 10-4. 



E.M.F. 

 from normal. 

 Volts X 10-4. 



(Clark) 



3-800 nearly 



(1-4285 





+355 







assumed.) 



> 81 





3 V3 



3715 





> 132 



+274 



3 



3 477 





> 60 



+ 142 



2 



3-301 







+ 82 



V3 



3-230 





> 23 



+ 50 



4:lh Series. — Solutions made up directly by weight. Amal- 



gam cells. 



gm.-equiv. /litre. 

 1000 C. 



io g c=-^: 



3715 

 3477 

 3301 

 3-230 



E.M.F. 



Volts. 



E.M.F. 

 from normal. 

 Volts X 10-4. 



3 V3 

 3 

 2 



V3 



1-4306 

 1 -4452 

 1-4520 

 1-4545 



+206 

 + 150 

 + 82 

 + 57 



Concentration Cells. 



Solution. 



logC = 



-—+. 



E M.F. 

 Volt* X 10-4. 



102 



3V3~: 2 



5715 : 



3-301 



2 : 2/5 



3 301 : 



4602 



131 



2/5 : 2/25 



4-602 : 



5 003 



111 



V3 : 1 



3 230 : 



5000 



47 



1 : 2/5 



3-003 : 



'J 002 



63 



1 : 1/10 



5-000 : 



iooo 



178 



1 : 1/100 



3000 : 



5-000 



307 



2 D2 



