Chemistry, 06.10.2020 14:01 gallegosarmanni

Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of Rb is 27.8%, what is the average atomic mass of rubidum? You must round your answer to two decimal places.

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Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance...

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