3So 



TRANS. ST. LOUIS ACAD. SCIENCE. 

 [continued.] 



5.4 p.ct. Zu. Vitriol in (i) Water; (2) iii 10 p.ct. Gelatin 



in 50 p. ci. Gel. sol. 



(3) in25i),clGel. Sol.;(4) 



9 I 11 , IS I 20 I 28 35 i 40 j 4.> 



0.877 0.9181.0751. 099 1.28 1.47 1.58 1.69 



10 11 13 I 14 15.5 17 ■ 20 i 24 



0.645 0.658 0.7i4 0.724 0.764 0.807 0.885 0.953 



9 11 14.5 ; 17.5 20 26 30.5 40 

 0.36')|0 .378 0.4^0,0.4 63 0.488 0.600 0.621,0.741 



7 I 11 , 14 23 I 28 31 41 149.5 

 0.154 0.182 0.20010.264 lO 30310.333 0.41310.485 



50 55 

 1.77 1.91 

 25 28 



0.970 1.04 



50 60 



893 1.03 

 .56 59.5 



0.521 0.571 



[continued.] 



10 p.ct. zn. Vitriol in (i) faier; (2) 25 p.ct. in Gel. sol.; (3) in 50 p.ct. 



From these values there are then deduced b^- graphic interpo- 

 lation the following- for the galvanic conductivity k at 5, 10, 15, 

 20, 30°, etc. The follow^ing table contains these : 



2 p.ct. Zn,S044-7H,0, 



5.4P.C, Zn.S04-f74.0. 



lOp.c. Zn.S04+7420. 



+ Water. 4 25 p.e. +50p.c. + Water. 4-lOp.o. +20p.c. +50p.o. + Water. 4- 25p.c. 4-lOp.c. 

 Oel. Qel. ael. Qel. Gel. Oel. Qel. 



