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

Equal volume of all gases under similar conditions of temperature and pressure contain equal number of molecules
Thus, maximum volume (i.e., 200 cc) will contain maximum molecules [Choice (C)]