55. The vapour pressure of benzene at a temperature is 640 mm hg. A non volatile and non electrolytes solid, weighting 2.175 g is added to 39.08 of benzene .the vapour pressure of solution is 600 mm hg. What is the molecular weight of solid substance ?

55. The vapour pressure of benzene at a temperature is 640 mm hg. A no

1.	55. The vapour pressure of benzene at a temperature is 640 mm hg. A non volatile and non electrolytes solid, weighting 2.175 g is added to 39.08 of benzene .the vapour pressure of solution is 600 mm hg. What is the molecular weight of solid substance ?
Answer» 55. The vapour pressure of benzene at a temperature is 640 mm hg. A non volatile and non electrolytes solid, weighting 2.175 g is added to 39.08 of benzene .the vapour pressure of solution is 600 mm hg. What is the molecular weight of solid substance ?