The vapor pressure of pure water (H2O) at 30 °C is 40 torr. If salt (NaCl) is dissolved into a sample of water until the total vapor pressure of the mixture at 30 °C is 32 torr, what is the mol fraction of salt?
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 water (H2O) at 30 °C is 40 torr. ...as low difficulty.
How long does this problem take to solve?
Our expert Chemistry tutor, Jules took 1 minute and 59 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 Parkin's class at COLUMBIA.