Chemistry, 12.12.2021 23:40 QueenNerdy889
Element X has two isotopes, X-268 and X-281. If the average atomic weight of element X is 275 amu, what is the percent abundance of X-268? Provide two significant figures. *
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Element X has two isotopes, X-268 and X-281. If the average atomic weight of element X is 275 amu, w...
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