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December 22, 2014

Homework Help: general chemistry

Posted by Alaa on Friday, March 25, 2011 at 4:44pm.

naturally occuring chlorine is composed of 35CL with atomic mass of 34.969 37CL with atomic mass of 36.966 the average atomic mass id 35.453
what are the percantages of each isotope in naturally occuring chlorine ?

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