Which gases will have equal volume at STP if the weight of each gas is $$14.0\text{ g}$$? 

i) $$\mathrm{N_2O}$$  ii)$$\mathrm{NO_2}$$  iii)$$\mathrm{N_2}$$  iv)$$\mathrm{CO}$$.

A

i and ii

B

ii and iii

C

i and iii

D

iii and iv