Chemistry, 11.05.2021 23:00 danielwu462

19.9% of all the isotopes of an element have a mass of 9.93 amu and 80.1% have a mass of 10.94 amu. What is the average mass of this element?

19.9% of all the isotopes of an element have a mass of 9.93 amu and 80.1% have a mass of 10.94 amu.

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19.9% of all the isotopes of an element have a mass of 9.93 amu and 80.1% have a mass of 10.94 amu....