The density of `O_2` at NTP is 1.429g / litre. Calculatethe standard molar volume of gas-

The density of O_(2) at NTP is 1.429 g/L. Calculate standard molar volume of the gas.

The molar volume of CO2 at NTP is :

If the density of a mixture of O_(2)&N_(2) at N.T.P. is 1.258 g//l. The partial volume of O_(2) in 3 mole of mixture is

If the density of a mixture of O_(2)&N_(2) at N.T.P. is 1.258 g//l. The partial volume of O_(2) in 3 mole of mixture is

The measured density of helium gas at NTP is 0.1784 gm per litre. What is the weight of 1 mole of this gas ?