[CHM 112] quiz 2

[Andrew J. Pounds]

On 07/25/13 15:12, wrote:
>
> Hey Dr. Pounds,
>
> On quiz 2, question 1 part b.... I don't understand how you got the 
> moles of O2 (.209476). Can you explain that to me?
>
> Thank you!
>

Avogadro's law states that equal volumes of gases contain equal moles of 
gases.  For that reason the volumes percentages given in the question 
can be directly related to the mole fractions. 20.9476% O2 would be a 
mole fraction of 0.209476.



-- 
Andrew J. Pounds, Ph.D.  (pounds_aj at mercer.edu)
Professor of Chemistry and Computer Science
Mercer University,  Macon, GA 31207   (478) 301-5627
http://faculty.mercer.edu/pounds_aj

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