What is the relative atomic mass of a hypothetical element that consists of the following isotopes in the indicated natural abundances? | Isotopic mass Relative abundance (u) Isotope (%) 1 85.9 14.5 2 87.9 14.3 90.9 71.2 Express your answer to three significant figures and include the appropriate units.

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What is the relative atomic mass of a hypothetical element that consists of the following isotopes in the
indicated natural abundances?
Isotopic mass Relative abundance
(u)
Isotope
(%)
1
85.9
14.5
87.9
14.3
3
90.9
71.2
Express your answer to three significant figures and include the appropriate units.
Transcribed Image Text:What is the relative atomic mass of a hypothetical element that consists of the following isotopes in the indicated natural abundances? Isotopic mass Relative abundance (u) Isotope (%) 1 85.9 14.5 87.9 14.3 3 90.9 71.2 Express your answer to three significant figures and include the appropriate units.
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