A certain gas takes two times as long to effuse out as methane under identical conditions.The gas could be: (1) He (2) O2 (3) SO2
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we know a/c Graham law of diffusion or effusion
speed is inversely proportional to square root their density i.e molar mass
a/c, speed of CH4 =2speed of X
speed of CH4/speed of X=2
root {Mx/M)=2
{Mx/16}=4
Mx=64
hence SO2 is that gas
speed is inversely proportional to square root their density i.e molar mass
a/c, speed of CH4 =2speed of X
speed of CH4/speed of X=2
root {Mx/M)=2
{Mx/16}=4
Mx=64
hence SO2 is that gas
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