The vapour pressure of pure benzene at is 639.7 mm of Hg and the vapour pressure of a…

CHEMISTRY · Subjective · CBSE · Chemistry · Solutions · Solutions

Problem

The vapour pressure of pure benzene at

25^\circ\text{C}

is 639.7 mm of Hg and the vapour pressure of a solution of a solute in

\text{C}_6\text{H}_6

at the same temperature is 631.9 mm of Hg. Calculate molality of solution.