OF AQUEOUS SOLUTIONS.—BARNES. Hy, 
As the ratio “25—"'8 was thus found to be constant for the 
Figs 
two most dilute solutions of every salt, and as these solutions 
are very dilute, this ratio may be assumed to approximately 
hold for infinite dilution. Observations on the conductivity of 
weaker solutions at difterent temperatures were not at hand; 
and the writer used the value of this ratio for the solution of 
concentration .0001 for the calculation of the specific mole- 
cular conductivity at infinite dilution for 25° C. 
The following Table II gives the values of the specific 
molecular conductivity at infinite dilution for 25°C. as thus 
obtained from the values at 18°C. In the case of copper sul- 
phate this method could not be employed for want of data. A 
somewhat doubtful value obtained by 1!Bredig was therefore 
used. The conductivities are expressed as in Table I. 
TABEE Vii: 
Electrolyte. | Specific Spat en ROSELL at Infinite 
| 18° C. | 235° C. 
INGER cars e. ainiensaes 1105 1283 
1G (Cle Jeet eae 1312 1519 
PEAR Oey cio dole «1. 1232 1433 
| 
ola its One) Gre pte ge | 1350 1566 
BONES Ole tc 1141 1334 
PCUSO\, 22. 52) 5). SIE ee See en 1423 
| 
Determination of the Tonizution Coefficients at 25°C. 
for Simple Solutions. 
The ionization coefficient for a simple solution is taken to be 
the ratio of the specific molecular conductivity to the specifie 
1Ztschr. f. phys. Chem., 13, 220, 1894, 
