February 20, 2017

Homework Help: Chem

Posted by Monika on Thursday, April 18, 2013 at 10:29pm.

A newly discovered element, Mysternium (Atomic symbol My) has two isotopes and an average atomic mass of 296.7286 amu. One of the isotopes, My-296 has a natural abundance of 61.528% and has a mass value of 295.9064 amu. What is the mass of the second isotope?

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