Chemistry, 31.08.2019 03:30, mahdy43

An element has the following natural abundances and isotopic masses: 90.00% abundance with 19.99 amu, 1.18% abundance with 20.99 amu, and 8.82% abundance with 21.99 amu. calculate the average atomic mass of this element.(your answer should be to 5 significant figures)

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An element has the following natural abundances and isotopic masses: 90.00% abundance with 19.99 am...