An element has two naturally occurring isotopes. isotope 1, Ask an Expert

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An element has two naturally occurring isotopes. Isotope 1 has a mass of 120.9038 amu and a relative abundance of 57.4%, and isotope 2 has a mass of 122.9042 amu.

Using scanning tunneling microscopy, scientists at IBM wrote the initials of their company with 35 individual xenon atoms.Calculate the total mass of these letters in grams (m_{rm Xe}=131.29;{rm amu}).

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