Question

What is the vapor pressure of a solution with a Benzene to octane molar ratio of 2:1.

with this info provided,
benzene: 280 mmHg
Octane 400 mmHg

This question from the acs practice exam confused me.

Answer 1

@satellite73

Answer 2

Use Raoult's Law which states "The partial vapour pressure of a component in a mixture is equal to the vapour pressure of the pure component at that temperature multiplied by its mole fraction in the mixture."

read your book or this http://www.chemguide.co.uk/physical/phaseeqia/idealpd.html

Answer 3

thanks!
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