Question

A heliox deep-sea diving mixture contains 2.0 g of oxygen to every 98.0 g of helium.

What is the partial pressure of oxygen when this mixture is delivered at a total pressure of 8.0 atm?

This is a new chapter were covering and i have no idea how to do this?

Answer 1

What is Keplers third Law? http://en.wikipedia.org/wiki/Kepler%27s_laws_of_planetary_motion

Answer 2

Hmmmm. How did those get posted, I was working on an astronomy question.

figure moles of O2 and He in a mixture of 1000 grams.

now add them to get total moles.

partial pressure O2 =(molesO2/totalmoles)*totalpressure