1240 
TA BLEs. 
Conc. in mol.proc. t solution point 
8.1 21.8 
14.1 30.8 
21.2 35.9 
24.4 31.4 
29.4 31.1 
34.6 | 31.2 ) The critical point is 
situated between these 
42.4 37.4 two concentrations. 
50.8 35.3 ; 
52.9 34.7 
61.0 28.7 
72.8 bie? 
81.0 —15 
é 10 20 39 40 50 60 70 go go 100 
Fig. 7. 
We used for the boiling experiments an apparatus, constructed 
some time ago by Prof. Smits, At first, we had boiled the liquids 
