The vapour pressure of pure benzene at a certain temperature

Last updated: 7/4/2023

The vapour pressure of pure benzene at a certain temperature is 200 mm Hg At the same temperature the vapour pressure of a solution containing 2g of non volatile non electrolyte solid in 78g of benzene is 195 mm Hg What is the molecular weight of solid A 50 C 85 B 70 D 80 A A