

the Conductivity of Liquids. 





Per cent.* 



Conductivity of 









H 2 S0 4 . T. Cu S0 4 . 



T. 





C C 





°0. 



5 



18-53 . 



.. 19 



162 ... 



17 



10 



34-10 . 



. 17 



256 ... 



17 



15 







3-58 ... 



17-5 



17 







447 ... 



19 



20 



47-72 . 



. 17 







25 



55-80 . 



. 16 







30 



6322 . 



. 16 





35 



58-99 . 



. 15 





40 



54-0 L . 



. 15-5 





50 



4S-23 . 



. 16 





60 



31-26 . 



. 16-5 





70 



20-34 . 



. 16 





80 



11-61 . 



. 16-3 





90 



10-06 . 



. 18 





95-5 



10-74 . 



. 18 



i 



337 



ference being rather a sharper rise to and fall from the first 

 maximum; otherwise the position of the two maxima, of the 

 minimum, and of the point of contrary flexure agree most per- 

 fectly j. The experiments will be continued on other liquids. 



* Conductivity of Sulphuric Acid and Water. 

 Abscissa are percentages of H Q S0 4 . Ordinates are conductivities. 





10 20 30 40 60 60 /0 80 90 



t A large quantity of oil of vitriol was boiled in platinum capsules, 

 cooled, and thoroughly mixed. 3-7496 grams gave 8--)] 14 grams Ba.,S0 4 , 

 showing 95*5 per cent, of H 2 SO,. After dilution to oLtain the requisite 

 strengths, the clear acids were siphoned oft' from the deposited sulphate 

 of lead. 



