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

Two gases A and B having the same volume diffuse through a porous part

1.	Two gases A and B having the same volume diffuse through a porous partition in 20 and 10 seconds respectively. The molecular mass of A is 49u. Molecular mass of B will be
Answer» 50.00u 12.25u 6.50u 25.00u Answer :B