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Engineering, 14.09.2019 01:30 dianaosorio33895

An element has two naturally occurring isotopes, isotope 1 with an atomic weight of 78.918 amu and isotope 2 with an atomic weight of 80.916 amu. if the average atomic weight for the element is 79.903 amu, calculate the fraction of occurrences of these two isotopes.

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An element has two naturally occurring isotopes, isotope 1 with an atomic weight of 78.918 amu and i...
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