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It takes 26 s for 10 mL of H2 to effuse through a porous membrane. It takes 130s for 10 mL of an unknown gas under identical condition to effuse. Hence, molecular
weight of the unknown gas is (in g mol-l)
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Correct option is C
rH2=1026mLs−1rX=10130mLs−1rrX=1026/10130=m(X)mH2=m(X)2∴ m(X)=50gmol−1Talk to our academic expert!
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