Which of the following contains maximum number of molecules?

Options

A. 100 cc of `CO_2` at STP
B. 150 cc of `N_2` at STP
C. 50 cc of `SO_2` at STP
D. 200 cc of `NH_3` at STP

Answer

D

Explanation

Same volume contains same number of molecules thus greater the volume, more will be the number of molecules.