Verified Answer :

Molar mass of    N    = 14 g/mol
Molar mass of   O2    = 32 g/mol
Adding both masses = 46 g/mol
Actual molar mass/ Empirical molar mass = 138.02 / 46 = 3
Now multiplying this co effecient with empirical fomula NO2 = 3(NO2)
                                                                                             = N3O6
So according to above explanation,
D) N3O6, is the correct answer.

lilasbeast0304

I believe the answer would be D.

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