Under the same condition temperature and pressure hydrogen diffuses 8 times as fast as gas y calculate the rmm of gas y the rmm of h=2

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  1. rate for y = 1
    rate for H2 = 8

    (rate H2/rate y) = sqrt(mm y/mmH2)
    Substitute and solve for mm y.

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  2. 8/1=√1/8=8=1/8

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