( 637 ) 
NaCl. 
Boiling point of the pure water = 99.61° t= 5,19° 
Concentration in Elevation of the boiling | Molecular elevation 
gr. mols. per 1000 grs. of H,O.) point of the solution. |of the boiling point. ; 
0.0560 0.049 9.68 1.87 
9. 10115 0.096 9.48 1.83 
0.50566 1) 479 9.47 1.82 
1.0112 0.979 9.68 1.865 
KCl. 
Boiling point cf the pure water = 99.695° ¢ == 5.19. 
Concentration in Elevation of the boiling | Moleculor elevation 
gr. mols. per 1000 grs. of H,O.) point of the solution. jof the boiling point. 
0.0504 © 0.050 9.93 1.91 
0.1008 0.091 9.03 1.74 
0.5037 0.455 9.03 1.74 
1.0074 0.926 9.19 1178 
KN Os. 
Boiling point of the pure water = 99.691° t=—= 5.19. 
Concentration in Elevation of the boiling | Molecular elevation 
gr. mols. per 1000 grs. of H,O.| point of the solution. [of the boiling point. 
0.0499 0.051 10.21 1.97 
0.0998 0.095 9.52 1.83 
0.4991 0.450 9.02 1.74 
0.7486 0.648 8.65 4.67 
0.9981 0.858 8.57 1.651 
From these tables it is apparent, that in the case of NaCl 7 reaches 
a minimum value at about 0.1 gr. mol. per 1000 grs. of water 
when the diminution of the vapourpressure is determined, and at 
about 0.5 gr. mol., when the elevation of the boiling point is deter- - 
