Chemistry

Messiah

25 June, 16:29

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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