Calculate the Molecular Weight of a Small Protein If a 0.25-G

question 19

Multiple Choice

Calculate the molecular weight of a small protein if a 0.25-g sample dissolved in 180 mL of water has an osmotic pressure of 9.2 mmHg at 25°C.(R = 0.0821 L · atm/(K · mol) )

• A)2.4 × 10² g/mol
• B)2.8 × 10³ g/mol
• C)3.6 g/mol
• D)2.7 × 10² g/mol
• E)3.7 × 10^-3 g/mol

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