For ideal gas A, the ideal gas equation is given by,
⇒ PaV = naRT
Where, Pa and na represent the pressure and number of moles of gas A.
For ideal gas B, the ideal gas equation is given by,
⇒ PbV = nbRT
Where,Pa and nb represent the pressure and number of moles of gas B.
[V and T are constants for gases A and B]
Therefore, we have,
Where, Ma and Mb are the molecular masses of gases A and B respectively.
Now, we have
Substituting the values
ma = 1 g
Pa = 2 bar
mb = 2 g
Pb = 1 bar.
(Since total pressure is 3 bar)
Substituting these values in equation we have
Thus, a relationship between the molecular masses of A and B is given by
⇒ 4Ma = Mb
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