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The van't Hoff-Raoult Formula

1905
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The Journal of Physical Chemistry
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By means of a thermodynamical cycle involving the use of a semipermeable piston, van't Hoff deduced in 1885 an equation' which can be written in the forni In this equation P is the osmotic pressure, V the volume through which the piston moves in squeezing out the amount of solvent in which one molecular weight of the solute is dissolved, R is the gas constant, ' I ' is the absolute temperature, ?z is the grams of solute divided by the molecular weight of the solute in the solution, N is the

doi:10.1021/j150077a001
fatcat:kcjjwo3ojfbvlltwma6wp3yt2m