`360 cm^3` of `CH_4` gas diffused through a porous membrane in 15 minutes. Under similar conditions, `120cm^3` of another gas diffused in 10 minutes. Find the molar mass of the gas.

360cm of CH_(4) gas diffused through porous membrane in 15 minutes,under similar conditions, 120cm^(3) of another gas diffused in 10 minutes.Find the molar mass of the gas.

240cc of SO_2 gas diffused through a porous membrane in 20 minutes. Under similar conditions, 720 cc of another gas diffused in 30 minutes. Find the molecular mass of the gas.

12 cm^3 of SO_2 (g) diffused through a porous membrane in 1 minute. Under similar conditions 120 cm^3 of another gas diffused in 5 minutes. The molar mass of the gas in g"mol"^(-1) is

12L of SO_2 gas diffused through a porous membrane in 20 minutes. Under same conditions 36L of X gas diffused in 30 minutes. The molar mass of the gas 'X' in g mol^(-1) is :

720cc of methane diffused through a porous membrane in 30min. Under identical conditions 240cc of gas 'X'diffused in 20 min. Calculate the molecular weight of 'X'.

180ml of hydrogen diffuses through a porous membrane in 15 minutes while 120 ml of SO_(2) under identical conditions diffused in 20 minutes. What is the molecular mass of the hydrocarbon ?

180 mL of a hydrocarbon diffuse through a porous membrane in 15 minutes, while 120 mL of SO_2 under identical conditions diffuse in 20 minutes. What is the molecular mass of the hydrocarbon ?

20 dm^3 of an unknown gas diffuse through a porous partition in 60 s, whereas 14.1 dm^3 of O_2 under similar conditions diffuse in 30 s. What is the molecular mass of the gas ?