Molecular mass of a gas is 78 . Its density at `98 .^(@)C` and 1 atm will be

The molecular weight of a gas is 45. Its density at STP is

The molecular weight of a gas is 45 . Its density at STP is

The molecular weight of a gas is 45. Its density at STP is __

What is the molar mass of a gas whose density is 1.5 g L^(-1) at 27^(@)C and 1 atm pressure ? (Use R = 0.08L atm mol^(-1) K^(-1) )

Sum of molecular mass of gas (A + C) is :

Sum of molecular mass of gas (A+C) is :

The density of a certain mass of gas at 27^(@)C and 1 atm pressure is 3.4 g L^(-1) . The density at 327^(@)C and 0.5 atmpressure will be

The molecular mass of an organic compound is 78 and its composition is 92.4% C and 7.6% H. Determine the molecular formula of the compound.

Vapour density of a gas if its density is 0.178g//L at 1atm, 273K is