Question

The formula unit mass of Na2O is 62u.calculate the atomic mass of sodium.

Answer 1

Atomic masses of elements already calculated by the scientists.
So,according to the scientists,the atomic mass of sodium is 23u.

Answer 2

==>Formula Unit mass = 62 u
==>The atomic masses of all the elements are calculated.
==>The atomic mass / molar mass of Sodium (Na) is 23 u.
==>The atomic mass of oxygen is 16 u.
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