# Problem: 0.150 g of an unknown substance are added to water to make 100.00 mL of solution. The osmotic pressure of the solution is measured to be 477.688 torr at 44.0 oC. What is the molecular weight of the solute? (R= 0.08206 L atm/mol K)A. 8.62 g/molB. 91.34 g/molC. 24.18 g/molD. 67.05 g/molE. 62.08 g/mol

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0.150 g of an unknown substance are added to water to make 100.00 mL of solution. The osmotic pressure of the solution is measured to be 477.688 torr at 44.0 oC. What is the molecular weight of the solute? (R= 0.08206 L atm/mol K)

A. 8.62 g/mol
B. 91.34 g/mol
C. 24.18 g/mol
D. 67.05 g/mol
E. 62.08 g/mol

What scientific concept do you need to know in order to solve this problem?

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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Our tutors rated the difficulty of0.150 g of an unknown substance are added to water to make 1...as medium difficulty.

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Based on our data, we think this problem is relevant for Professor Blaha's class at Columbus State Community College.