The Osmotic Pressure of 1 $\omicron$ C Estimate the Average Molar Mass of the Polymer

question 185

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 ^$\omicron$ 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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