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Chemistry, 05.04.2021 18:30 bibigardeax

1. Calculate the atomic mass of the element X and identify the element from the periodic table knowing that it has the following isotopes: 54X (mass: 53.940, abundance: 5.9%), 56X
(mass 55.935, abundance: 91.72%) and 58X (mass: 57.933, abundance: 0.28%)

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