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A certain element exists in two stable isotopes in nature: one has an atomic mass of 99.17amu (41.65%) and the other has an atomic mass

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A certain element exists in two stable isotopes in nature: one has an atomic mass of 99.17amu (41.65%) and the other has an atomic mass of 100.17. Calculate the atomic weight of this element. (For this problem, please review Sample Exercise 2.4 on the textbook. The atomic weight, which is actually the average atomic mass, is between the masses of the two isotopes and is closer to the value of the more abundant isotope)

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