In the 'gas saturation method' for the measurement of vapour

In the 'gas saturation method' for the measurement of vapour pressure, a volume V of gas (as measured at a temperature T and a pressure p) is bnbbled slowly through the liquid that is maintained at the temperature T, and a mass loss m is measured. Show that the vapour pressure, p, of the liquid is related to its molar mass, M, by P =AmPI (1 + Am), where A = RTIMPV. The vapour pressure of geraniol (M = 154.2 g mol-1), which is a component of oil of roses, was measured at 110°C. It was found that, when 5.00 dm3 of nitrogen at 760 Torr was passed slowly through the heated liquid, the loss of mass was 0.32 g. Calculate the vapour pressure of geraniol.

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