Problem- bromine has two isotopes of 78918 u 5069 and 80916
Problem- Bromine has two isotopes of 78.918 u (50.69%) and 80.916 u (49.31%). What is the average atomic mass of Br?
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problem- bromine has two isotopes of 78918 u 5069 and 80916 u 4931 what is the average atomic mass of brany help is
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