Question

In which of the following pairs do 1g of each have an equal number of molecules
1) N2O and CO
2) N and C3O2
3) N2 and CO
4) N2O and C2O

Pls tell me the answer of this question and also if u know from which book is it taken!?
Pls tell me the answer fast and I ll mark u as a brainlist.!!

Answer 1

third  one i.e N2 and  CO

AS, N2 = N*2

CO=1+1  (C=1 MOLECULE , O = 1 MOLECULE)

MARK BRAINLIEST , RATE , AND THANK