Question

A solution of polystyrene in benzene contains 10g/L the equilibrium height of the column of solution having density 0.9 g/ml in the osmometer having capillary rise 11 cm at 27°C what is average molar mass of polystyrene (Assume solution is ideal) :- (1) 2340 g/mol (2) 25.2 × 103 g/mol (3) 55.3 × 107 g/mol (4) 100 g/mol

Answer 1

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