Asample of 2.05 g of polystyrene of uniform polymer chain length was dissolved in enough toluene to form 0.100 Lof solution. The osmotic pressure of this solution was found to be 1.21 kPa at 25°C. Calculate the molar mass of the polystyrene. a) 2.35 x 104 g/mol b) 4.20x 105 g/mol c) 3.05 105 g/mol d) 4.20x 103 g/mol e) 4.20 x 104 g/mol
Asample of 2.05 g of polystyrene of uniform polymer chain length was dissolved in enough toluene to form 0.100 Lof solution. The osmotic pressure of this solution was found to be 1.21 kPa at 25°C. Calculate the molar mass of the polystyrene. a) 2.35 x 104 g/mol b) 4.20x 105 g/mol c) 3.05 105 g/mol d) 4.20x 103 g/mol e) 4.20 x 104 g/mol
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
Problem 83QRT
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Asample of 2.05 g of polystyrene of uniform
solution. The osmotic pressure of this solution was found to be 1.21 kPa at 25°C. Calculate the molar mass of the
polystyrene.
a) 2.35 x 104 g/mol
b) 4.20x 105 g/mol
c) 3.05 105 g/mol
d) 4.20x 103 g/mol
e) 4.20 x 104 g/mol
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