Chemistry, 03.11.2020 23:20, destinyaus14

An element has two isotopes. Isotope #1 has a mass of 159.3 amu and an abundance of 22.0%
Isotope #2 has a mass of 161.2 amu and an abundance of 78.0%.
What is the average atomic mass if this element?

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An element has two isotopes. Isotope #1 has a mass of 159.3 amu and an abundance of 22.0%
Iso...