Equal volumes of two gases A and B diffuse through a porous pot in 20 and 10 seconds respectively. If the molar mass ofA be 80,find the molar mass of B.

Two gases A and B having same volume diffuse through a porous partition in 20 and 10 seconds respectively. Molar mass of A is 49u. Molecular mass of B will be-

Two gases A and B having the same volume diffuse through a porous partition in 20 and 10 s respectively. The molecular mass of A is 49 u. Molecular mass of B will be

Equal masses of the two gases A and B are kept in two separate vessels at the same temperature and pressure. If the ratio of the molecular masses of A and B is 2:3 Find the ratio of the volume of the two vessels.

Equal mass of two gases A and B are kept in two separate containers under the same conditions of temperature and pressure. If the ratio of molar masses of A and B be 2:3, then what will be the ratio of volumes of the two containers?

The volumes of two gases A and B at 0^(@)C and 200 atm pressure are 0.112 L and 0.09 L respectively. Which of the following comments is true for these gases at this temperature and pressure-

At constant temperature and pressure, the rates of diffusion of two gases A and B are in the ratio of 1:2 . In a mixture of A and B gases if the mass ratio of A and B be 2:1, the find the mole fraction ratio of A and B in the mixture?

If A.M. and G.M. of two positive numbers a and b are 10 and 8, respectively, find the numbers.

50 mL of each gas A and B takes 150s and 200s respectively for effusing through a pinhole under similar conditions. If molar mass of gas B is 36, molar rmass of gas A-

A closed container of volume 0.02 m^3 contains a mixture of neon and argon gases at a temperature of 27^@C and pressure of 1 times 10^5 N.m^-2 The total mass of the mixture is 28 g. IF the molar masses of neon and argon are20 and 40 g//mol respectively . find the masses of the individual gases in the container assuming then to be ideal. [R=8.314 J.mol^-1.K^-1 ]