At 300 K, the density of a certain gaseous molecule at 2 bar is double to that of dinitrogen `(N_(2))` at 4 bar. The molar mass of gaseous molecule is:

At 0^(@)C , the density of a gaseous oxide at 2 bar is the same as that of dinitrogen at 5 bar. The molar mass of the oxide is

At 0^(@)C , the density of a certain oxide of a gas at 2 bar is same as that of dinitrogen at 5 bar. What is the molecular mass of the oxide?

At 0^(@)C , the density of certain oxide of a gas at 2 bar is same as that of dinitrogen at 5 bar. What is molecular mass of the oxide ?

At 273 K, the density of a certain gaseous oxide at 2 atmosphere is same as that of dioxygen at 5 atmosphere. The molecular mass of the oxide ("in g mol"^(-1)) is