(89) 
Before, however, examining other compounds, I wished to make 
some further experiments with NaCl, KOH and sugar solutions, 
because I had made a slight improvement in the apparatus; I had 
namely brought the legs of the manometer nearer together, so that 
they were only 2 m.m. distant, which diminished the error in the 
observation. Before communicating the results of those observations, 
I shall first shortly state my former results, to facilitate a compa- 
rison. The meaning of py, ps pm N and n is as follows. 
pw = tension of the gas of pure water expressed at 0° in m.m. Hg. 
PR ” ” ” ” ” solution ” ale Mert) ” 
pm = mol. decrease of the tension of the gas „ Sag) Tetke Rage trait 
N and n indicate the number of mol. of water and solved substance 
found in the solution : 
” 
Na Cl 
Concentration in gr. pws Pm -__ Dw—ps N 
mol. per LOON er, HO. | in mm. He. | in mem, Le, lok cma Pe u 
0.02842 0. 00344 | 0.121 1.5 
0.03546 | 0.00477 0.134 1.6 
0.08813 0.01223 | 0.139 1.67 
0.17680 | 0.02477 0.140 | 1.69 
0.35587 | 0.05026 | 0.141 1.70 
0.8854 | 0. 12646 | 0.143 | irae! 
1.8228 | 0.26757 | 0.147 | 1.765 
KOH | 
Concentration in gr. | Pw—ps pm | .  Pw—ps N 
mol. per 1000 gr. H,O. in mm. ig. | in m.m. Hg. | an po On 
0.03035 | 0.00409 | 0.135 16 
0.05564 | 0.00763 | 0.137 1.65 
0.09992 | 0.01382 0.138 1.66 
0.16626 | 0.02321 | 0.146 1.68 
0.33464 0,047 86 ‘I 0.143 1.72 
0.51342 | 0.07504 0.146 1.76 
0.75044. | 0.11170 0.149 1.790 
1.0356 | 0.15867 0.153 1.842 
2.6422 | 0.47601 0.180 2.166 
