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

Answer 1

rate for y = 1
rate for H2 = 8

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

Answer 2

8/1=√1/8=8=1/8

Answer 3

Where is the answer