100 
IOWA ACADEMY OF SCIENCES. 
TABLE I. 
PHYSICAL PROPERTIES OF SOLUTIONS OF LITHIUM CHLORIDE IN AMYL 
ALCOHOL. 
DILUTION 
V= LITRES 
PER GRAM 
MOL. 
P- 
MOL. CON- 
DUCTIVI- 
TY AT 25"' 
u 
k 
RELATIVE 
VISCOSITY. 
AMYL AL- 
COHOL=100 
AT 20 
25® 
DENSITY D — 
4® 
REFRACTIVE 
POWER= N = 
n— 1 
d 
R[). 
0.637 
—.898 
1,314 0 
0.775 
—.368 
0.14 
0 00114 
0.84655 
0.49317 
14.83 
0.88 
.0185 
0.21 
0.00238 
614 0 
0.84318 
0.49348 
14 95 
1.00 
0.000 
0.38 
0.00363 
525.0 
0 83933 
0.49439 
14.89 
1 50 
.587 
0.46 
0,00680 
3 -'9 0 
0.83976 
0.49690 
14.93 
2.00 
1.000 
0.51 
0.00634 
2410 
0.83438 
0.49834 
15.08 
4.00 
3.000 
0.58 
0,00417 
155.6 
0.81561 
0.50043 
16.13 
8.00 
3.000 
0 61 
0.00333 
133 6 
0.81)47 
0 501V6 
16.48 
16.00 
4.00 
0.69 
0.00153 
1144 
0.80951 
0.50176 
18.24 
33 00 
5 00 
0.81 
0.00 1< '8 
105 6 
0.80813 
0.50212 
34 32 
64.00 
6.00 
1.03 
0.00093 
103.8 
0.80769 
0..50338 
39.04 
128.00 
7.00 
1.34 
0.00085 
0.80726 
0.50235 
46 
356.00 
8.00 
1.73 
o.ooo.-o 
0.80704 
0.50231 
92 
513 00 
9,00 
2 22 
0.00078 
0.80700 
0.50237 
107 
1.034.00 
10.00 
3.87 
0 00087 
0 80706 
0.50225 
335 
3,048.00 
11.00 
3.50 
0 00097 
0.80699 
0 50199 
4,096.00 
13.00 
4.04 
0 00111 
0.80706 - 
0.50190 
CO 
00 
4.79 
[.OOil 
100.0 
0.80699 
0 50200 
EXPLANATION. 
v= number of litres which contain I3.3S grams of lithium chloride. 
7c= dissociation constant (see p. 100). 
n=refractive index of the solution for sodium light. 
N= refractive power of the solution for sodium light. 
Rd= refractive equivalent of the dissolved Li Cl for sodium light. 
Mean error of D= L.00005. 
Mean error of N ==L. 00007. 
CONDUCTIVITY. 
Resistances were determined by Kohlransch’s method, the 
arrangement being that described by Ostwald (Zeit. phys. 
Chem. 2, p 561). In consequence of the high resistance of the 
more dilute solutions, a special electrolytic cell was constructed 
for this research, possessing an unusually low factor of resist- 
ance. In this cell one of the electrodes of heavy sheet platinum 
’ is doubled so as to include the other between its two leaves. A 
number of glass rivets, passing through all three plates and 
fused to them, aid in preserving a constant distance between 
them. They stand in a vertical plane in a glass tube 5.5 c. m. 
in diameter. This arrangement has been found to answer very 
well, and the conductivity constant (k=8.44 in mercury units), 
showed no material alteration during a period of use covering 
several months. 
All the molecular conductivities were corrected for the con- 
ductivity of the solvent. The corrected values are given in 
the following table (I.), and also in the curves {q. v.). 
