Chemistry, 07.08.2021 01:10 cuddleslugsovifat

The average atomic mass of Rb-85 (84.912 amu) and Rb-87 (86.909 amu) is 85.47 amu. Calculate the percentage abundance of each isotope.

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The average atomic mass of Rb-85 (84.912 amu) and Rb-87 (86.909 amu) is 85.47 amu. Calculate the per...