Question: A sample was found to contain an unknown element with only two isotopes. The first isotope has a mass of 49.95amu and is 4.345% abundant.

A sample was found to contain an unknown element with only two isotopes. The first isotope has a mass of 49.95amu and is 4.345% abundant. The second isotope is 95.655% abundant. If the average atomic mass of the unknown element is 52.15 amu, calculate the mass of the second isotope in amu. 51.05amu 51.93amu 52.25amu 52.73amu

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