1042 
For. the calculation of 7 the theoretical value 1,855° was chosen 
for the molecular depression in 1000 ce of water. 
t 
We then have 2=—— 5 
1,855 .c' 
when ¢ is the depression of the 
solidifying point. 
The graphic representation, in which ¢ is represented as function 
a IK EE OS ES 
| Depres- | — t ; | Depres- t 
c ie al i = Te c sion i Ei 
Sodium chloride. Potassium chloride. 
0.9539 3.180° | 1.797 0.9486 3.201° 1.819 
0.6224 2.095 i} tae 0.7964 2.696 1.821 
0.4011 1.361 1.829 0.6120 2.078 1.830 
0.3772 1.283 | 1.833 0.5016 1.710 1.838 
0.1702 0.586 | 1.857 0.3047 | 1.051 1.859 
0.1501 | 0.518 | i.861 0.1571 | 0.549 1.884 
0.04014 | 0.142 | 1.91 0.07565 | 0.269 1.918 
0.03042 | 0.109 | 1.93 0.02283 | 0.082 1.94 
0.01161 | 0.042 1.95 0.01301 0.047 1.95 
Magnesium chloride. Calcium chloride. 
0.9583 6.063° 3.410 1.0092 5.966° | 3.188 
0.9795 | 4.726 3.185 0.8156 4.494 — 2.970 
0.7078 | 4.033 3.072 0.6285 3.243 | 2.782 
0.5322 2.847 2.883 0.4840 2.401 | 2.674 
0.4889 Jol Tl 2.841 0.3422 | 1.645 | 2.590 
0.3852 | 1.972 2.759 0.2992 | 1.424 2.565 
0.2280 1.146 | 2.710 1) 0.1968 | 0.933 2.556 ') 
0.1917 | 0.964 2.711 0.1384 | 0.664 2.586 
0.08023 | 0.408 2.741 0.07150 | 0.354 | 2.669 
0.03135 | 0.163 2.80 0.03555 | 0.181 2.74 
0.01352 | 0.074 2.95 0.01297 | 0.070 2.91 
| 0.00611 | 0.034 3.0 
1) Minimum value of 2. 
