Problem: A 0.15-g sample of a purified protein is dissolved in water to give 2.0 mL of solution. The osmotic pressure is found to be 18.6 torr at 25˚C. Calculate the protein’s molar mass.

🤓 Based on our data, we think this question is relevant for Professor Magner's class at LONESTAR.

FREE Expert Solution

Π=iMRTM = ΠiRTM = 18.6 torr ×1 atm760 torr(1)(0.08206 atm·Lmol·K)(298.15 K)

M = 1.0003 x10-3 M


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Problem Details

A 0.15-g sample of a purified protein is dissolved in water to give 2.0 mL of solution. The osmotic pressure is found to be 18.6 torr at 25˚C. Calculate the protein’s molar mass.

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Our tutors have indicated that to solve this problem you will need to apply the The Colligative Properties concept. You can view video lessons to learn The Colligative Properties. Or if you need more The Colligative Properties practice, you can also practice The Colligative Properties practice problems.

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Based on our data, we think this problem is relevant for Professor Magner's class at LONESTAR.

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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl 2nd Edition practice problems.