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Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: *starfish* on September 17, 2007, 02:15:09 PM

Title: Gas Homework question
Post by: *starfish* on September 17, 2007, 02:15:09 PM

I am having troubles with how to approach this question..help would be great!  ;D

Methane (CH4) gas contains a small % of He. Calculate the % Volume of He if the density is 0.70902 g/L at 273 K and 1.000 atm?

Title: Re: Gas Homework question
Post by: Borek on September 17, 2007, 03:50:23 PM

Molar ratio of ideal gases is identical with their volume ratio. What is a density of gas containing x He and (1-x) CH₄?