1.

8 g O_2has same number of atoms as that in :-

Answer»

14G CO
7g CO
11g `CO_2`
22 G `CO_2`

Solution :`8gO_2 =8/32xx2` MOL O =0.5 mol O atoms
7 g CO = `7/28xx2` mol
=0.5 mol atoms


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