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A naturally occurring sample of an element contains only two isotopes. The first isotope has a mass of 78.9183 amu and a natural abundance of 50.69 %. The second isotope has a mass of 80.9163 amu. Find the atomic mass of the element.
81.25 amu
79.90 amu
79.54 amu
74.35 amu
A naturally occurring sample of an element contains only two isotopes. The first isotope has a mass of 78.9183 amu and a natural abundance of 50.69 %. The second isotope has a mass of 80.9163 amu. Find the atomic mass of the element.
81.25 amu
79.90 amu
79.54 amu
74.35 amu
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