The Osmotic Pressure of 1 $\circ$ CEstimate the Average Molar Mass of the Polymer

question 88

Multiple Choice

The osmotic pressure of 1.00 g of a polymer dissolved in benzene to give 200 mL of solution is 1.50 kPa at 25 ^$\circ$ C.Estimate the average molar mass of the polymer.The gas law constant is 0.0821 L.atm.mol^-1.K^-1.

• A)41 300 g.mol^-1
• B)8260 g.mol^-1
• C)693 g.mol^-1
• D)1650 g.mol^-1
• E)62 000 g.mol^-1

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