AQUEOUS SOLUTIONS.—McKAY. 
353 
The following tables show the results of the ealeulation of 
the conductivities of the double salt solutions and of the equi- 
molecular mixtures : 
Regional Dilution. 
Conductivity. 
Coneen- | Concentra 3 
Bik HONS zK,SO,. b MgsO,. | Calculated.| Measured. re 
per cent. 
DOUBLE SALT SOLUTIONS (| MgKg (SO4)o. 
1.001 lod 1.499 .4996 456.5 451.4 +1.1 
8345 .3266 1.747 6500 398.0 393.5 +1.2 
.6688 2757 2.127 8640 335.0 331.6 +1.0 
.p019 2191 2.768 1.216 265.5 261.6 +1.5 
4705 207. 2.938 1.312 251.2 249.8 + .6 
4429 , 1976 3.113 1.403 239.3 237.3 + .8 
4183 1884 3.284 1.498 228.0 227.0 + 4 
3963 1800 3.459 1.593 218.0 216.7 + .8 
3765 1721 3.626 1.687 208.1 206 9 + .6 
.02004 .01408 59.34 40.42 16.79 16.78 + 4 
01671 .01199 70.54 49.08 14.29 14.36 — .b 
01433 01045 $1.63 57.87 12.45 12.46 = (5 
01255 .009305 92.47 66.80 11.07 11.08 - .l 
.O1116 .008364 | 103.6 75.63 9.960 977 — .2 
.OLO04 .OO7T614 | 114.4 84.62 9.063 9.009 + 6 
009972 .007558 |: 115.3 $5.33 8.987 9.009 -— 3 
.008318 | .006421 | 186.9 | 103.3 7.632 7.665 - A 
00714 .00599 158.6 | 121.7 6.640 6.660 —- 3 
EQUIMOLECULAR MIXTURES. 
1.002 3184 1.499 .4996 456.4 | 451 +1-2 
.6690 2757 2.127 .8640 334.9 327.8 +2.1 
50038 2184 2.717 1.220 264.7 258.6 +2.3 
.0200 .01406 59.47 40.51 16.76 16.64 + .7 
1001 07584 114.8 85.02 9.021 | 9.024 — .05 
The columns in order give (1) the concentrations, in gramme- 
equivalents per litre, of the double salt solutions, or of the 
