You Are Working as an Intern in a Biochemistry Lab

question 137

Multiple Choice

You are working as an intern in a biochemistry lab. Your advisor just isolated an enzyme and asks you to determine its molar mass using osmosis. You dissolve 1.0 g of the enzyme in water to make 250 mL of solution. You measure the osmotic pressure and find it to be 3.5 torr at 298 K. You report that the molar mass is ________ g/mol.

• A)between 0 and 1,000
• B)between 1,000 and 5,000
• C)between 5,000 and 10,000
• D)between 10,000 and 20,000
• E)between 20,000 and 50,000

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Definitions:

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