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Chemistry, 26.08.2020 05:01 dan7478

A certain element consists of two stable isotopes. The first has a mass of 121 amu and a percent natural abundance of 57.3 %. The second has a mass of 123 amu and a percent natural abundance of 42.8 %. What is the atomic weight of the element? amu

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A certain element consists of two stable isotopes. The first has a mass of 121 amu and a percent nat...
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