Chemistry
Vrbas170
23

There are two stable isotopes of bromine. Their masses are 78.9183 and 80.9163 amu. If the average atomic mass of bromine is 79.9091 amu, what is the natural abundance of the heavier isotope?percent abundance of 81Br __%

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enhupp

probably the answer will be 28.60 because it's a lower number

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