Carnegie Institution of Washington publication . sity p = a* 210, grams in 100 grams of solution, grams in 100 grams of water, thevapor pressure being ir = tt (1 —). The record of results is given in table 36 and fig. 31, and is throughout reasonably regular, particularly after the weekly period of observations has been installed. The diffusion constants are to = day or io10;. = which is still far removed from water. Table 36.—Air into air through BaCl2 solution ( grams in 100 grams water). Single-tube vessel. Constants as in table 34. pw= a
Carnegie Institution of Washington publication . sity p = a* 210, grams in 100 grams of solution, grams in 100 grams of water, thevapor pressure being ir = tt (1 —). The record of results is given in table 36 and fig. 31, and is throughout reasonably regular, particularly after the weekly period of observations has been installed. The diffusion constants are to = day or io10;. = which is still far removed from water. Table 36.—Air into air through BaCl2 solution ( grams in 100 grams water). Single-tube vessel. Constants as in table 34. pw= at 210. Date. Barom-; eter. 1 t H 0 Date. Barom-eter. t H Vc Dee. 21. ; 07-5 Jan. 3-074 23- : ! ?7-3 3- • 3-077 26. JO. 77-35 7-5 28. 75-50 30. 75-74 7-3 3i- \ j 31. 55-74 Jan. 1. .7-8 hi dan. 5 10 15 Fig. 31.—Chart showing loss of standard volumes ofgas in diver in lapse of days. Diffusion of air throughBaCl2 solution. 56. Diffusion of Air into Air Through K,S04 Solution.—This solutionis the first of the sulphates and is to be compared with sodic sulphate andpossibly with the alums. The solution of K2S04 showTed a density of pw = at 23°» corresponding therefore to 8 grams of K2S04 in 100 gramsof solution or grams in 100 grams of water. The vapor pressure wastaken as x = x(i —). The results are given in table 37 and fig. 32 a. A line drawn through the observations corresponds to the following slope:£0 = or io10k = small effect is in keeping with the essentially dilute solution of a notvery soluble salt. 57. The Same, Continued.—-This solution of K2S04 was diluted toabout one-half and the resulting density found to be at 190, which isequivalent to 4 grams of K,S04 in 1
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