TO THEIR STATE OF IONIZATION—-MACGREGOR. 
Constituent Solu- 
tions (grm.-mols. 
Tonization | 
Coefficients in 
per litre.) Mixture. Observed | Calculated |... 
Value, | Value, | Difference. 
| NaCl. | KCl. NaCl. | KCl. 
DENSITY (BENDER’S OBSERVATIONS). 
10 0.1875 |} .7268 | .7720 | 1.02358 | 1.02350 —0.0,08 
ss 0.3875 | .714 1625 | 1.02785 | 1.02766 | — 19 
ed 0.75 .688 -7629 | 1.03641 1.08600 | — 41 
es 1.0 .6728 | .7682 | 1.041389 | 1.04158 | + 19 
zu 1.5 6494 | .7478 | 1.05293 | 1.05263 | —0,0,30 
oS 3.0 6143 | .7283 | 1.08580 | 1.08595 | + 15 
229 
THERMAL EXPANSION (BENDER’S OBSERVATIONS). 
1.0 0.1875 | .7268 -7720 001174 001174 | +0.0,00 
es 0.875 714 . 1625 .001208 .001203 a 05 
es 0.75 .688 7629 .001275 .001264 = 11 
es 1.0 .6728 -7632 001297 .001805 o 08 
$e 1.5 6494 -T478 .001376 001376 | 00 
es 3 .6148 7283 .001543 .001596 ae 53 
VISCOSITY (BRUCKNER’S OBSERVATIONS). 
1.0 0.5 -4059 | .7635 .010940 -010947 +0.0,07 
# 1.0 .6728 7632 .010918 .010920 ze 02 
£6 15) .6494 .7478 .010876 .O10915 aE 39 
ss 2.0 .6143 | .7283 .010890 .010956 a 66 
SURFACE TENSION (ROTHER’S OBSERVATIONS). 
CONSTITUENT SOLUTIONS. ° ¢ 
‘ LO Os ; é G 
Concentration Vole hieee > = : 
ee ois. per i feat) ixture : g : 
es =} H 
= 2 2 & 
NaCl. | KCl. | NaCl. KCl. NaCl. “KCl. 5 5 A 
0.8862) 0.6836 0.14487 0.14545) 0.6906 | 0.7632 | 7.477 7.472 | — 0.0 
1.8109) 1.411 (0.13993 0.14096 0.6087 | 07279 | 7.607 | 7.602 | - 
0.8824) 2.1822 0.14489/0.13659, 0.6123 | 0.7311 | 7.600 | 7.591 | - 
2.8406] 0.6862 0 13511/0.14544| 0.6027 | 0.7298 | 7.622 | 7.616 _| — 
1.8155 Eons Ur Teoe 0.18241] 0.5185 | 0.7125 | 7.7384 | 7.810 | + 
S 
Or 
DB OH Or 
=] 
