126 ON THE CALCULATION OF THE CONDUCTIVITY OF 
These values were plotted 
centrations as ordinates and 
POTASSIUM CHLORIDE. | SoDIUM CHLORIDE. 
(Grane Motcniles | COnGuCHINIIy, |) (G aaa nenieeuien|| | Conauouiema 
per Litre.) x 10° per Litre.) x 10° 
2.07 1854 2.06 1199 
2.61 2281 2.56 1517 
2.94 2521 | 2.83 1616 
3.26 2767 | 3.37 1786 
3.68 3040 3.70 1876 
3.88 3187 4.29 1970 
4.69 2025 
5.12 2087 
on co-ordinate paper with con- 
conductivities as abscisse, and 
smooth curves were drawn between the points so as to obviate 
accidental errors. 
Conductivities were taken off these curves 
and compared with the numbers given by Kohlrausch* for 
solutions of equal concentration, as shewn in the following table. 
POTASSIUM CHLORIDE. 
| CONDUCTIVITY. 
Concentration | 
(Gramme-Molecules | RATIO. 
per Litre.) | Kohlrausch. Observed. 
2 | 1728 1800 .960 
2.5 2122 2199 961 
3 | 2480 2566 .966 
3.5 2822 2924 .965 
SopiuM CHLORIDE. 
| 
CONDUCTIVITY. | 
Concentration 
(Gramme-Molecules RATIO. . 
per Litre.) Kohlrausch. Observed. 
2 1209 1277 .946 
2.9 1412 1500 941 
3 1584 1675 946 
Bh) 1728 1815 .952 
4 1846 1928 957 
4.5 1935 2000 968 
5 1991 2066 964 
*Wied. Ann., Vol. vI, p. 146. 
