SURFACE TENSION OF AQUEOUS SOLUTIONS.—BARNES. 59 
TABLE V. 
; , FE te Ry: 
Constituent Solutions. | 228 |Resional Dilution.) “PCO tte 
ook l - = 
4K,SO, | KCL Boe tKyS04; KCI. Observed) Caleu- ee ocERt 
7707 4941 405 1.36 1.91 | 536.2 | 537.2 +0.18 
Mg 09454 264 Poe, SO) || etyilt oD4.5 +0.11 
se 05412 251 2.37 plies || eBiiae 301.8 — (0.03 
Ss 01018 235 2.59 oe | olt9 317.2 — 0.22 
.5998 9558 528 1.01 1.45 | 684.0 693.9 + 0.27 
| 
os 09454 .220 Beth’ 3.69 | 295.5 296.1 + 0.20 
ce 05412 206 2.98 3.89 | 275.5 | 276.4 + 0.32 
£5 01018 . 190 3.25 4.28 | 255.3 BAT -0.00 
-0800 .2470 .218 2.79 Sila coon 289.9 + 0.41 
es .02706 .138 4.75 5.97 | 184.0 184.6 + 0.82 
.2999 .2470 143 eal 4,23 | 258.6 Onell —(0.35 | 
== et | SO 
. 1035 9558 .400 1.38 194 |) 524-3 525.2 +0:17 
LG 494] .233 2.58 3.47 | 303.4 303.8 +0.16 
“ .0a412 0611 11.8 14.3 81.51 81 37 | +0.18 | 
We .01018 .04381 17.4 20.4 58.42 58.27 — 0.26 
05175 .02706 .0324 24,2 27.6 43.48 43.50 | +0.05 
oe £00509 .0231 24.7 39.4 oleh SHOES | =O) 28} 
From this table it appears that the difference between the 
calculated and observed values of the conductivity for all the 
mixtures examined, is within, or bat little beyond, the limit of the 
error of observation, which is estimated at about 0.25 per cent. 
