516 
IOWA ACADEMY OF SCIENCE Vol. XXIV, 1917 
TABLE I. 
Electro .motive Forces and Transport Numbers. 
Water 
Electromotive Forces. 
Trans- 
Observed 
Calculated 
PORT 
With 
Without 
With 
Without 
Number 
Nr 
— N, 
Trans. 
TrxVns. 
Trans. 
Trans. 
•Cation 
1.0 - 
-0.1 
0.03192 
0.11430 
0.03081 
0.11042 
.279 
0.03195 
0.11435 
0.03195 
0.11435 
0.5 - 
—0.05 ' 
0.03501 
0.10865 
0.03505 
0.10870 
0.03589 
0.11144 
.322 
0.03503 
0.10870 
0.1 - 
—0.01 
0.03581 
u. 10430 
0.03584 
0.10435 
0.03886 
0.11330 
.343 
0.03585 
0.10435 
0.05- 
—0.005 
0.03640 
0.09950 
0.03640 
0.09960 
0.04152 
0.11376 
.365 
0.03640 
0.09960 
0.01- 
—0.001 
0.0391 
0.0704 
0.0391 
0.0704 
.555 
0.0391 
0.0704 
Methyl Alcohol 
0.5 - 
—0.05 
0.03860 
0.09390 
0.03855 
0.09385 
.411 
0.03857 
0.09385 
0.1 - 
-0.01 
0.04005 
0.07980 
0.04002 
0.07975 
.502 
0.04005 
0.07980 
0.05- 
—0.005 
0.04105 
0.07160 
0.04103 
0.07160 
.573 
0.04105 
0.07165 
Ethyl Alcohol 
0.5 - 
—0.05 
0.03322 
0.08880 
0.03322 
0.08875 
.374 
0.03325 
0.08875 
0.1 - 
—0.01 
0.03559 
0.07170 
0.03560 
0.07170 
0.04627 
0.0.9310 
.497 
0.03560 
0.07170 
0.05- 
-0.005 
0.03820 
0.06140 
0.03820 
0.00145 
0.05939 
0.09549 
.622 
0.03820 
0.06145 
