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Chemistry, 12.12.2020 16:50 jnaifuson

What is the average atomic mass of the element? An element, X, has two isotopes, X-14 and X-15. Use the data in the table to find the average atomic mass of element X.

Isotope Atomic Mass Abundance (%)
X-14 14.003 99.636
X-15 15.000 0.364

The average atomic mass of element X is
amu.

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