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Oxygen is the most abundant element in b...

Oxygen is the most abundant element in both the Earth’s crust and the human body. It exists as a mixture of three stable isotopes in nature as shown in Table :

Text Solution

Verified by Experts

The atomic mass of
oxygen `= (15.9949 xx 0.99757) + (16.9991xx 0.00038) + (17.9992 xx 0.000205) = 15.999` amu.
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