October 8, 2015

Homework Help: Chemistry

Posted by Lucy on Monday, September 17, 2007 at 5:10pm.

I just need help with this one question, and then once I know how to do the steps, I think can do the others.
The average atomic mass of argon is 39.95 u. Natural argon contains three isotopes: Ar-36 (35.967 u), Ar-38 (37.962 u)& Ar-40 (39.962 u). If the isotopic abundance of Ar-36 is 0.006000%, find the isotopic abundances of the other two isotopes.

Thanks for your help.

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