413. The following table shows the saturation vapor pressure of water (pw) and organic substances (p) at normal total pressure and temperature ϑ °C indicated in the table. These organic substances practically do not mix with water in the liquid phase. Calculate for your room number the mass of organic matter that distills from 1 kg of water vapor at the indicated temperature.

ϑ °С pw, kPa substance p, kPa
413 99.0 97.73 camphor C10H16O 3.6

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