Exactly 375

question 115

Multiple Choice

Exactly 375.0 mg of an unknown protein is dissolved in enough water to give 50.00 mL of solution and the osmotic pressure determined as 3.25 mmHg at 298 K.Estimate the molar mass of this protein.

• A)42,900 g/mol
• B)3,600 g/mol
• C)56,400 g/mol
• D)139,000 g/mol

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