A 050 G Sample of a Protein Is Dissolved in Water

question 151

Multiple Choice

A 0.50 g sample of a protein is dissolved in water to give 10.0 mL of solution. The osmotic pressure is found to be 39 torr at 310 K. What is the molar mass (g/mol) of the protein?

• A) 33 g/mol
• B) 2.9×10³ g/mol
• C) 2.5×10⁴ g/mol
• D) 4.7×10⁴ g/mol
• E) none of these

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