54 On the Physical Properties of Aqueous Solutions. 



Constituent Solu- 



Ionization 









tions (grm.-mols. 



Coefficients in 









per litre). 



Mixture. 



Observed 

 Value. 



Calculated 

 Value. 



Difference. 



NaCl. 



E01. 



NaCl. 



KC1. 



Density (Bender's observations) . 



10 



0-1875 



•7268 



•7720 



102358 



1-02350 



-00 3 08 





0-375 



•714 



•7625 



1-02785 



1-02766 



- 19 





0-75 



•688 



•7629 



1-03641 



1-03600 



- 41 





10 



•6728 



•7632 



1-04139 



1-04158 



4- 19 





1-5 



•6494 



•7478 



1-05293 



1-05263 



-0-0 3 30 





30 



•6143 



•7283 



108580 



1-08595 



+ 15 



Thermal Expansion (Bender's observations). 



10 



0-1875 



•7268 



•7720 



•001174 



001174 



+0-0/K) 





0-375 



•714 



•7625 



•001208 



•001203 



- 05 





0-75 



•688 



•7629 



•001275 



I '001264 



- 11 





1-0 



•6728 



•7632 



•001297 



! -001305 



+ 08 





1-5 



•6494 



•7478 



•001376 



•001376 



4- 00 





3 



•6143 



•7283 



•001543 



•001596 



+ 53 



Viscosity (Bruckner's observations). 



10 



0-5 



•7059 



•7635 



•010940 



•010947 



4-0-0 4 07 





10 



•6728 



•7632 



•010918 



•010920 



4- 02 





1-5 



•6494 



•7478 



•010876 



•010915 



+ 39 



" 



2-0 



•6143 



•7283 



•010890 



•010956 



-4- 66 



Surface Tension (Rother's observations). 



Constituent Solutions. 







Observed 

 Value. 



Calcu- 

 lated 

 Value. 



Diffe- 

 rence. 



Concentration 



(grin.-mols. per 



litre). 



Volume 

 (litres). 



Coefficients in 

 Mixture. 



NaCl. 



KC1. 



NaCl. 



KOI. 



NaCl. 



KC1. 



0-8862 

 1-8109 

 0-8824 

 2-8406 

 1-8155 



0-6836 

 1-411 



2-1822 

 06862 



2-9887 



0-14487 

 013993 

 0-14489 

 0-13511 

 0-13996 



0-14545 0-6906 

 0-14096; 0-6087 

 0-13659 j 0-6123 

 0-14544J 0-6027 

 0-13241 0-5185 



0-7632 

 0-7279 

 0-7311 

 07298 

 0-7125 



7-477 

 7-607 

 7-600 

 7-622 

 7-734 



7-472 

 7-602 

 7-591 

 7-616 

 7-810" 



-0005 



- 5 



- 9 

 6 



4- 76 



