The density of a gas is 1.964 g/ `dm^(-3)` at 273 K and 76 cm Hg. Calculate the molecular weight of the gas.

The density of a gas is 1.964 g dm^(-3) at 273 K and 76 cm Hg . The gas is

The density of an ideal gas is 1.25xx10^(-3)g cm^(-3) at STP. Calculate the molecular weight of the gas.

The density of a gas is found to be 1.56 g L^(-1) at 745 mm pressure and 60^(@)C . Calculate the molecular mass of the gas.

A dry gas measuring 280 ml at 305 K and 750 mm of Hg, weighs 0.344 g. Calculate the molecular weight of the gas.

The density of a gas is found to be 1.56 g dm^(-3) at 0.98 bar pressure and 65^(@)C . Calculate the molar mass of the gas.

A gas of mass 32 gm has a volume of 20 litre at S.T.P. Calculate the gram molecular weight of the gas.

1470 cm^3 of a gas is collected over water at 303 K and 74.4 cm of Hg. If the gas weighs 1.98 g and vapour pressure of water at 30^@C is 3.2 cm of Hg, calculate the molecular weight of the gas.

At 30^(@)C and 720 mm of Hg, the density of a gas is 1.5 g// l t . Calculate molecular mass of the gas. Also find the number of molecules in 1 cc of the gas at the same temperature.

At 400 K , the root mean square (rms) speed of a gas X (molecular weight =40 ) is equal to the most probable speed of gas Y at 60 K . Calculate the molecular weight of the gas Y .

The density of gas A is twice that of B at the same temperature the molecular weight of gas B is twice that of A. The ratio of pressure of gas A and B will be :