The number of g-molecule of oxygen in 6.02 x 10²⁴CO molecules is

Explanation:-

In this question gram molecules simply means number of moles of O² molecules.
So we have 6.02*10^24 atoms of Oxygen means 3.01*10^24 molecules of O².
3.01*10^24 molecules of O² are equal to 5 moles.

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