A 150 Mg Sample of a Protein Was Dissolved in Water

question 63

Multiple Choice

A 15.0 mg sample of a protein was dissolved in water to produce 5.00 mL of solution at 25.1°C. The osmotic pressure of this solution was measured and found to be 6.50 torr. What is the molar mass of this protein?

• A) 427 g/mol
• B) 941 g/mol
• C) 8,580 g/mol
• D) 4,270 g/mol
• E) 561 g/mol

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Definitions:

Reliable

The consistency of a measure or instrument, indicating the same results are achieved under consistent conditions.

Standardized

Made consistent in form, procedure, or conditions, often for the purpose of comparison or assessment.

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Well-founded on evidence and corresponds accurately to the real world.

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The various abilities related to the process of knowing, including reasoning, memory, attention, and language.