9. The ratio of rates diffusion of SO2,0, and CH is
(1) 1:12:2
(2) 1:2:4
(3) 2:12:1
(4) 1:2:12
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Answer:
r
S
O
2
:
r
O
2
:
r
C
H
4
=
1
√
M
S
O
2
:
1
√
M
O
2
:
1
√
M
C
H
4
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