Chemistry
Chemistry, 31.07.2020 22:01, chelby2296

A newly found element with the symbol J has two naturally occurring isotopes. Isotope one has an atomic mass of 139.905 amu and an abundance of 37.25%. Isotope two has an atomic mass of 141.709 amu and an abundance of 62.75%. Calculate the mass of the element.

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A newly found element with the symbol J has two naturally occurring isotopes. Isotope one has an ato...

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