Chemistry, 09.10.2019 02:30, skullcandy1396

Rubidium has two principle isotopes, 85rb (84.911789 amu) and 87rb (86.909183 amu). what is the percentage abundance of the lower mass isotope?

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Rubidium has two principle isotopes, 85rb (84.911789 amu) and 87rb (86.909183 amu). what is the perc...

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