. Carnegie Institution of Washington publication. 68 THE DIFFUSION OP GASES THROUGH same as that of water. The solution may therefore be regarded as holding grams of KCl in loo grams of water, or grams of salt in 100 grams of solution. To obtain the vapor pressure iv' of the moist air above the solution, it was at first assumed that the reduction of vapor pressure at 18° was relatively the same as at 0° C. for a given strength of solution. Further- more, that the case of KCl would be practically identical with the case of brine. Afterwards (using Landolt and Boernstein's tables) it
. Carnegie Institution of Washington publication. 68 THE DIFFUSION OP GASES THROUGH same as that of water. The solution may therefore be regarded as holding grams of KCl in loo grams of water, or grams of salt in 100 grams of solution. To obtain the vapor pressure iv' of the moist air above the solution, it was at first assumed that the reduction of vapor pressure at 18° was relatively the same as at 0° C. for a given strength of solution. Further- more, that the case of KCl would be practically identical with the case of brine. Afterwards (using Landolt and Boernstein's tables) it was found that such an assumption is inadmissible and that the equation should be Table 24.âAir-air through KCl solution ( grams in 100 grams water). Vessel B (single tube). ^7= grams; C= ; P(7 = ; float, 2^ = cm.; vessel, 2r= cm. P2a= 133 at °. Date. Barom- eter. t H Vo Date. 1 ! Barom- eter. / H Va Sept. 18. 0 Oct. 7 . 0 14 981 8 . 76 34 64 69 14 638 20. 14 878 9 ⢠76 7« 65 04 â¢4 63» 21. 6533 '4 820 10 â 76 27 65 37 14 637 <4 752 11 . 76 72 65 '7 14 640 24. 14 12 â 76 40 65 33 â 4 633 25. 14 731 â¢4 . 76 88 65 23 14 622 â¢4 722 15 ⢠76 08 65 11 â¢4 600 14 703 16 . 76 92 64 43 14 570 14 7'3 '7 ⢠76 44 64 49 14 556 30. 17-4 «4 793 18 . 76 38 64 74 14 559 Oct. '4 674 19 . 75 97 64 84 14 56. 2. 14 690 21 . 77 29 64 38 14 494 14 684 22 . 77 08 64 36 '4 495 4. â¢4 691 23 . 76 05 64 59 14 486 5-- M 699. Fig. 22.âChart showing loss of standard volumes of gas in diver in lapse of days. Diffusion of air through KCl
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