In a Study Designed to Prepare New Gasoline-Resistant Coating, a Polymer

question 93

Multiple Choice

In a study designed to prepare new gasoline-resistant coating, a polymer chemist dissolves 6.061 g poly(vinyl alcohol) in enough water to make 100.0 mL of solution. At 25 ° C, the osmotic pressure of this solution is 0.248 atm. What is the molar mass of the polymer sample?

• A) 0.0101 g/mol
• B) 73.2 g/mol
• C) 502 g/mol
• D) 5.98×10³ g/mol
• E) 8.87×10⁵ g/mol

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