Problem: The vapor pressure of pure ethanol [CH 3OH] at room temperature is 160.00 torr. What mole fraction of glycerol [C3H5(OH)3], a non volatile solute, is required to lower the vapor pressure to 86.00 torr at room temperature? A. 0.416 B. 0.462 C. 0.538 D. 0.584

FREE Expert Solution
82% (415 ratings)
Problem Details

The vapor pressure of pure ethanol [CH 3OH] at room temperature is 160.00 torr. What mole fraction of glycerol [C3H5(OH)3], a non volatile solute, is required to lower the vapor pressure to 86.00 torr at room temperature?

A. 0.416

B. 0.462

C. 0.538

D. 0.584

Frequently Asked Questions

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.

What is the difficulty of this problem?

Our tutors rated the difficulty ofThe vapor pressure of pure ethanol [CH 3OH] at room temperat...as high difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Dasha took 5 minutes and 27 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

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