ON EVAPORATION AND DISSOCIATION. 
73 
Vapour-density Determinations. 
Saturated. 
Yolume of 
vapour. 
Volume of 
liquid. 
Weight of 
liquid. 
Weight of 
vapour. 
Weight of 
1 c.c. vapour. 
Mean. 
Volume of 
1 gramme. 
V apour- 
density. 
0-32029 
0-47047 
0-69794 
0-23773 
0-15523 
0-03801 
0-08218 
0-05366 
0-01314 
0-05830 
0-08682 
0-12734 
0-182031 
0-18314 } 
0-18245 J 
0-18254 
c.cs. 
5-4782 
100-20 
Unsaturated. 
Volume of 
vapour. 
Pressure. 
Weight of 
1 c.c. vapour. 
Volume of 
1 gramme. 
Vapour- 
density. 
0-91529 
25,842 
0-15348 
C.CS. 
6-5155 
85-83 
1-05800 
25,172 
0-13278 
7-5311 
76-23 
1-19930 
24,219 
0-11714 
8-5369 
69-89 
Pressure 
of methyl 
salicylate. 
Temperature 
of methyl 
salicylate. 
Volume of 
liquid. 
Volume of 
1 gramme. 
Specific 
gravity. 
Vapour- 
pressure. 
Mean. 
(37) 
nmis. 
359-05 
° 0. 
193 
C.CS. 
0-42563 
C.CS. 
3-0298 
0-33006 
mms. 
26,851 
26,7871 
26,797 J 
mms. 
26,792 
Vapour-density Determinations. 
Saturated. 
Volume of 
vapour. 
Volume of 
liquid. 
Weight of 
liquid. 
W eight of 
vapour. 
Weight of 
1 c.c. vapour. 
Mean. 
Volume of 
1 gramme. 
Vapour- 
density. 
0-43540 
0-51645 
0-15824 
0-11285 
0-05223 
0-03725 
0-08825 
0-10323 
0-20269 1 
0-19956 / 
0-20112 
C.CS. 
4-9722 
108-72 
MDCCCLXXXVII. —A. 
L 
