Answer to Question #187074 in General Chemistry for Catherine

Question

The osmotic pressure of a benzene solution containing 15.0 g of polystyrene per liter was found to be 8.5 torr at 25 °C. What is the average molecular weight, in kg/mol, of the polystyrene in this solution? Round your answer to three (3) significant figures. Omit the unit in your final answer.

Answer 1

Molecular weight =1.574Kg/mol