Chemical Affinity in terms of Electromotive Force. 269 



Average cur- 

 rent, in mi- 

 crowebers. 



Time, in 

 hours. 



Weight of hydrogen, in milligrammes. 



Total calcu- 

 lated from 



quantity of 



electricity 



passing. 



Previous 



amount, less 



that due to 



" diffusion 



discharge." 



Observed 

 amount. 



380 

 285 

 200 



90 



80 



48 



47 



24 



22-0 

 9-7 

 4-7 



«E}« { 



30 



20 



23 



24 



42 



17 



42 



22 



29 



43 



48 

 Various pe- 

 riods up to 

 192 hours. 



•432 

 •216 

 •174 

 •082 

 •127 

 •030 

 •075 

 •020 

 •024 

 •016 

 •009 



1- 



'428 

 •213 

 •170 

 •078 

 •121 

 •028 

 •069 

 •017 

 •020 

 •009 

 •001 



nil. 



•43 



•21 



•17 



•076 



•120 



•027 



•068 



•017 



•020 



•009 



•001 



nil. 



Similarly, the following numbers were obtained with volta- 

 meter No. 2 : — 



750 



1-25 



•050 



•049 



•049 



285 



625 



•067 



•065 



•063 



191 



525 



•038 



•036 



•035 



122 



4 



•018 



•017 



•016 



113 



2125 



•090 



•084 



•081 



59 



225 



•050 



•043 



•041 



34 



23-5 



•029 



•022 



•022 



210 



23 



•018 



•010 



•010 



170 



55 



•036 



•018 



•019 



16-3 



46 



•030 



•016 



•016 



t L C}8-° { 



Various pe- 

 riods up to 

 100 hours. 



1- 



nil. 



nil. 



With voltameter No. 3 the following numbers were ob- 

 tained: — 



220 



16 



•133 



•130 



•130 



65 



24 



•052 



•048 



•045 



50 



47 



•089 



•081 



•080 



63 



41 



•010 



•003 



•004 



5,:»}5° { 



Various pe- 

 riods up to 



1 - 



nil. 



nil. 



240 hours. 



J 







And with voltameter No. 4 the following numbers 



