Which gas has a density of 0.71 `gL^(-1)` at `0^(@)C` and 1 atm?

A pure gas that is 14.3% hydrogen and 85.7% carbon by mass has a density of 2.5g L^(-1) at 0^(@)C and 1 atm pressure. What is the molecular formula of the gas :

A pure gas that is 14.3% hydrogen and 85.7% carbon by mass has a density of 2.5g L^(-1) at 0^(@)C and 1 atm pressure. What is the molecular formula of the gas :

A pure gas that is 14.3% hydrogen and 85.7% carbon by mass has a density of 2.5g L^(-1) at 0^(@)C and 1 atm pressure. What is the molecular formula of the gas :

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) )

Which gas has the same density at 546^(@)C and 1.50 atm as that of O_(2) gas at 1 atm and 0(@)C ?

A gas has a density of 2.68 gL^(-1) at 1 atm and 273 K. Identify it:

A gas has a density of 1.25gL^(-1) at 1 atm and 273 K. Identify it:

The density of gas is 1.27 gL^(-1) at 50^@C and 0.987 xx 10^5 Pa. Calculate ist molar mass.

The density of gas is 1.27 gL^(-1) at 50^@C and 0.987 xx 10^5 Pa. Calculate ist molar mass.