411. The following table shows the pressure of saturated vapor 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
411 95.25 85.197 Bromobenzene C6H5Br 16.132

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