Question

what is the gram atomic mass of one atom of oxygen

Answer 1

Oxygen's atomic weight is 16.00 amu. 1 mole of oxygen is 6.02 x 1023 atoms of oxygen 1 amu = 1.661 x 10-24g What is the molar mass (g/mole) of oxygen? Molar mass (in grams) is always equal to the atomic weight of the atom!

Answer 2

Gram Atomic Mass:

Gram atomic mass of oxygen is $2.6566962\times10^{-23} g$.

Explanation:

One mole of oxygen weighs 16 grams. Oxygen have atomic mass of 16 amu. Atomic weight of an element is expressed in "grams" for gram atomic mass of one mole of an element.

For example, oxygen having atomic weight of 16 amu has gram atomic mass of 16 g for one mole. One mole is nothing but 6.0231023 atoms. To find gram atomic mass of one atom, the total weight has to be divided by $6.023 \times 10^{23}$.

To learn more:

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