A 22-G Sample of a Small Protein Having a Molecular Weight

question 29

Multiple Choice

A 2.2-g sample of a small protein having a molecular weight of 42,000 g/mol is dissolved in 31.2 mL of water at 28°C.What is the osmotic pressure of the solution? (R = 0.0821 L · atm/(K · mol) )

• A)32 mmHg
• B)1300 mmHg
• C)2.9 mmHg
• D)18,000 mmHg
• E)0.041 mmHg

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