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17 September, 02:29

Tyserium (ty) consists of two isotopes. one isotope has a mass of 331 amu and is 35.0 % abundant. the other isotope is 337 amu and is 65.0 % abundant. what is the mass of ty as it appears on the periodic table?

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  1. 17 September, 05:12
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    The atomic masses written for every element in the periodic table is the average atomic weight that is calculated from the element's isotopes. The formula would be:

    Average Atomic Weight = ∑ (Isotope Mass*Relative Abundance)

    Substituting the values:

    Average Atomic Weight = (331 amu*0.35) + (337 amu*0.65)

    Average Atomic Weight = 334.9 amu
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