396 



Dr. R. A. Lehfeldt on Electromotive 



Electromotive Force of Concentration Cells (without 

 migration) at 20°. 



Zinc Chloride. 



i 







E.M.F 



. frora normal solution. 











Volts XlO-4 





i 



gm.-eq. /litre 

 (1000 C). 



logC 









from 



Obs. 

 (read off 



curve). 



Calc. by 



Calc. 



eon- i 

 ductivity. 







equation (2). 



(Nernst). 





0001 



6000 





2108 



2363 



2-888 



2 



•301 





1861 



2108 



2-852 



5 



•69'J 



... 



1544 



1776 



2-782 



0-01 



5 000 



- 1537 



1310 



1525 



2-728 



2 



•301 



1301 



1083 



1278 



2 658 



3 



•477 



1158 



956 



1137 



2-604 



5 



•699 



976 



795 



961 



2534 



01 



4000 



747 



588 



720 



2446 



2 



•301 



526 



392 



487 



2-340 



3 



•477 



392 



286 



3;>9 



2-252 



5 



•G99 



229 



158 



199 



2-146 



] 



3 000 















1-970 



2 



•301 



+ 219 







1-706 



3 



•477 



S65 







1-530 



4 



•602 



465 







1 -406 



5 



•699 



556 







1-336 



7 



•845 



734 







1-220 



10 



2-000 



1016 







1-128 



15 



•176 



l')80 









20 



•301 



2116 













Zinc 



Sulphate. 







0001 



(V00O 





-1250 



-1417 



1-841 1 



2 



•301 





1098 



1258 



1-788 



5 



•699 





906 



1055 



1-701 



001 



5000 



- 743 



770 



908 



1-627 ; 



2 



•301 



617 



639 



763 



1-554 



3 



•477 



467 



D67 



683 



1-509 



5 



•099 



369 



477 



581 



1-457 



01 



4-000 



272 



361 



442 



1-395 



'2 



•301 



190 



247 



302 



1343 



3 



•477 



141 



182 



222 



1 315 



5 



•699 



80 



104 



126 



1-276 



1 



3000 















1-227 



2 



•301 



+ 8> 







1172 



3 



•477 



146 







1-133 



4 



•602 



225 







1-102 



5 



•699 



293 







1-077 



6 



•778 



356 





... 





