In nature, oxygen has three common isotopes. The atomic masses and relative abundances of these isotopes are given in the table below.
Isotope Atomic Mass (amu) Relative Abundance
O-16 15.995 99.759%
O-17 16.995 0.037%
O-18 17.999 0.204%
Calculate the average atomic mass of oxygen. Show all of your calculations below.
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