224 RELATION OF PHYSICAL PROPERTIES OF AQUEOUS SOLUTIONS 
SopIuM CHLORIDE SOLUTIONS. POTASSIUM CHLORIDE SOLUTIONS. 
| | | 
Grm.- obs Heeremn : Grm.- Oheorved le Gal A 
por mol Raia) Walia, |Diference. ||" tnols, Observed) Cale: Difference 
DENSITY (BENDER’S OBSERVATIONS). 
0.25 1.00898 | 1.00916 | +0.0318 0.1875 1.00752 | 1.00731 | —0 0321 
0.5 1.01930 | 1.01929 | — O1 0.375 1 01567 | 1.01586 | + 19 
1.0 1.03925 1.03910 | — 15 0.75 1.03317 | 1.03278 i= 39 
1.5 1.05834 1.05842) + 08 || 1.0 1.04862 | 1.04401 | + 39 
2.0 1.07772 | 1.07701 | — (0 aI: 1.06630 | 1.06621 | - 09 
2.5 1.09633 |.1.09532 | —0.0,101)| 2.0 1.08767 | 1.08823 | + 56 
2.5 1.10755 | 1.11008 | + 0 0,253 
| 3.0 1.13057 | 1.13177! + “120 
THERMAL EXPANSION (BENDER’S OBSERVATIONS). 
0.25 .001013 | .001022 | +0.0;9 0.1875 | .000963 | 000966 | + 0.003 
0.5 .OO1141 | .001141 | + 0 0.875 001037 | .001040 | + 03 
1.0 .001357 | .0013849 ! — 8 0.75 .001183 | .001173 | — 10 
1155 .001522 | .001526 | + 4 1.0 .001249 | .001255 06 
2.0 | 001663 | .001657 | — 6 15 001395 | .001395 BS 00 
2.5 .001776 | .001769 | — uf 2.0 -001500 | .OO1517 17 
3 .001876 | .001848 — 0.0,,28 2.5 .001580 .001621 4] 
VISCOSITY (BRUCKNER’S OBSERVATIONS). 
0.5 -010988 | -O10978 | —0.0,10 } 0.5 | 010457 | .010451 | —0.0,06 
1.0 .011480 | .011475 | — 05 || 1.0 .010395 | .010379 | — 16 
Tass .012048 | .012047' — Ol |) 1.5 .010851 | .010366 | + 15 
2.0 (012707 OL2780) |= 28 | 2.0 .010394 | .010393}_ 91 
2.5 .0138472' | .013458 | — 14 | 2.5 -O10444 | .010457 | + 13 
3.0 .014373 | .014267 | —0.0,106 3.0 .010566 | .010555 | — iil 
SURFACE-TENSION (ROTHER’S OBSERVATIONS). 
0.8928 | 7.482 | 7.482 0.000 0.3402 | 7.411 | 7.408 | -—0.003 
18359 11-620) | 1020" 1) Een 0.6856 | 7460 | 7.462 | + 
Fes TsO oS. eee IS 1.0467 | 7518 |) @5Iomlee 1 
3.9375 | 7.954 | 7.997 ae AS 1.4992 | 7.584 | 458356 1 
| P1851 | 7705 | e709 a 4 
| 2.9859 | 7844 | 7.846 | + 2 
a 
EFRACTIVE INDEX, D LINE (BENDER’S OBSERVATIONS). 
1.33824 | 1.33824 | +0.0;00 1.35803 1.33806 | +0.0,08 
- O1 
0.5 0.5 
1.0 1 34307 | 1.34306 10 . | 1.34278 | 1.34274|— | O08 
15 131770 | 1.31770) 4 00) 1.5 | 1.34721 | 1.34722 )4+ a 
2.0 | 1.35213] 1.35206] = 07 || 2.0 | 1.85179} 1.35158|- 2 
2.5 | 1.35673 | 1.85682) — 41 |) 2.5 
1.35623 | 1.35582 ts 41 
