50 



Prof. J. G. Macgregor on the Relation of 



ihe Physical 





Sodium Chloride Potassium Chloride 





Solutions. Solutions. 



Gnu.-mols. 



per lure. 



Observed Calc. -p...™ 



t , Difference, 

 value. value. 



G-rm.-mols. 

 per litre. 



Observed 

 value. 



Calc. 

 value. 



Difference. 



Density (Bender's observations). 



0-25 



1-00898 100916 



+0-0 3 18 



01875 



100752 



1O0731 -00 3 21 



0-5 



1-01930 1-01929 



01 



0375 



1-01567 



101586 + 19 



1-0 



1-03925 103910 



15 



075 



1-03317 



103275 - 39 



1-5 



105834 1-05842 



4- 05 



10 



] 04362 



1-04401 4- 39 



:o 



1-07772 1-07701 



- 71 



15 



1-06630 



106621 - 09 



2-5 



1-09633 1-09532 



-o-o.joi 



2-0 



: 371 ; 



1-08823 4- 56 , 









2-5 



1-10755 



1-11008 4-00 o 253 1 









3-0 



1-13057 



1-13177 + 120 



Thermal Expansion (Bender's observations)* 



0-25 



•001013 -001022 



4-0-0 3 9 



0-1575 -000963 



•000966 4-0-0 4 03 



0-5 



•C01141 -001141 



+ 



0-375 001037 



•001040 + 03 1 



10 



•001357 -001349 



_ ^ 



0-75 -001183 



•001173 - 10 



1-5 



•001522 -03152*3 



4- 4 



10 



•C01249 



(01255 + 06 ! 



2-0 



•001663 -001657 



6 



1-5 



•001395 



•001395 + CO 



2-5 



■001776 O01769 



— 7 



2-0 



-001500 



001517 + 17 



3 



■001876 -001 545 



-0O 4 28 



2-5 





-001621 + 41 



Viscosity (Bruckner's observations^. 



0-5 



•010988 -010978 



-00 x 10 



0-5 



•010457 



■010451 -0 4 06 



1-0 



•011480 -011475 



- 05 



1-0 



010395 



•010379 - 16 



1-5 



-012048 -012047 



01 



1*5 



•010351 



■010366 4- 15 



20 



•012707 012730 



4- 23 



2-0 



010394 



•010393 - 01 1 



25 



•013472 -01.3458 



14 



2 5 



•010444 



■010457 + 13 



30 



•014373 -014267 



-0-0,106 



3-0 



010566 



•010555 - 11 

 1 



Surface-tension (Bother's observations. 



08928 



7482 7-452 



-f 0-000 



<>34<:i2 



7-411 



7-408 -0-003 



0-8353 



7-629 7-629 







0-6856 



7*460 



7462 



+ 2 



2-8373 



7-780 7-798 



+ 18 



1-0467 



7518 



7519 



+ 1 



3 9375 



7-954 7-997 



+ 43 



T4292 



7-554 



7-553 



- 1 









2-1851 



7-705 



7-709 



+ 4 









2-9859 7-544 



7846 + 2 



1 



Refractive Index. D line (Bender's observations). 



05 



1-33824 1-33824 



+0-0,00 



0-5 1-33803 1-33506 +0-0.03 



10 



134307 1-34306 



- "01 



1-0 1-34278 1-34274 - 0-1 



1-5 



1-34770 1-34770 



+ 00 



1-5 1-34721 1-34722 4- 01 



20 



1-35213 1-35206 



07 



2-0 1-35179 1-35158 - 21 



r 



1-35673 1-35632 ■ 41 25 1 1-35623 1-35582 - 41 



