A 0.720 g sample of polyvinylchloride (PVC) is dissolved in 250 mL of a suitable solvent at 25.0 °C. The solution has an osmotic pressure of 1.67 mm Hg. What is the approximate molar mass of the PVC? Select one: a. 27,000 g/mol b. 19,700 g/mol c. 32,100 g/mol d. 42,200 g/mol

Chemistry: Principles and Reactions
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Problem 51QAP: A biochemist isolates a new protein and determines its molar mass by osmotic pressure measurements....
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A 0.720 g sample of polyvinylchloride (PVC) is dissolved in 250 mL of a suitable solvent at 25.0 °C. The solution has an osmotic pressure of 1.67 mm Hg. What is the approximate molar mass of the PVC?

Select one:
a.

27,000 g/mol

b.

19,700 g/mol

c.

32,100 g/mol

d.

42,200 g/mol

 

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