Question

Calculate the weight of carbon monoxide having the
same number of oxygen atoms as are present in 88g
of carbon dioxide.
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Answer 1

Hi Friend

First calculate number of atoms in 88 g Carbondioxide

Number of moles = 88/44=2mol

Now

now number of atoms = 2×3×Na= 6Na

here Na is Avogadro number

Rest see the pic.

hope it helps