Chemistry, 10.07.2019 05:30, ineedhelp2285

Anew compound was recently discovered and found to have an atomic weight of 342.38 amu. this element has two isotopes, the lighter of which has a mass of 340.91 amu and an abundance of 68.322%. what is the mass of the heavier isotope?

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Anew compound was recently discovered and found to have an atomic weight of 342.38 amu. this element...