andreahhhh399 andreahhhh399

21-06-2022
Chemistry

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There are three isotopes of an element, X-28, X-29, and X-30, with relative abundances of 92.2297%, 4.6832%, 3.0872%, respectively. What is the average atomic mass in amu of this element using four significant figures

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Medunno13 Medunno13

23-06-2022

[tex]\frac{(28)(92.2297)+(29)(4.6832)+(30)(3.0872)}{100} \approx \boxed{28.11 \text{ amu}}[/tex]

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