Question

Molecular mass of ‘0² is ----------​

Answer 1

Ans:-15.999 u

Molecular mass of ‘0² is

Atomic number: 8

Symbol: O

Electrons per shel

Answer 2

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Molecular Mass of O2 :

• Molecular mass is obtained by multiplying the atomic mass of an element with the number of atoms in the molecule and then adding the masses of all the elements in the molecule. O2 is a diatomic molecule. The mass of an oxygen atom = 16 amu. ∴ Mass of O2 molecule = 2 × 16 = 32 amu.

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