Example 2.30. A straight glass tube has two inlets X and Y at the two ends. The length of
the tube is 200 cm. HCl gas through inlet X and NH, gas through inlet Y are allowed to
etter the tube at the same time: White fumes first appear at a point Pinside the tube. Find
the distance of P from X.
Answers
Answer:
rate α
M.W
1
(Graham's law of diffusion)
also known that more rate more distance covered. So rate α distance.
d
HCl
d
NH
3
=
NH
3
HCl
x
200−x
=
17
365
x=81.22cm
81.22cm from inlet X.
solution
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Answer:
White fumes occur where NH
3
meets HCl
rate α
M.W
1
(Graham's law of diffusion)
also known that more rate more distance covered. So rate α distance.
d
HCl
d
NH
3
=
NH
3
HCl
x
200−x
=
17
365
x=81.22cm
81.22cm from inlet X.