Under identical conditions of temperature , the density of a gas X is three times that of gas Y while molecular mass of gas Y is twice that of X. The ratio of pressure of X and Y will be
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Under identical conditions of temperature , the density of a gas X is three times that of gas Y while molecular mass of gas Y is twice that of X. The ratio of pressure of X and Y will be......4b✔️
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Answer : 6
Explanation:
From Ideal Gas Equation,
PV = nRT
PV = (m/M) RT ; m = mass , M = Molecular Mass
PM = (m/V) RT
PM = dRT ; d = density
P = (d/M) RT
So , P is directly proportional to (d/M)
Now, given ,
dx = 3dy
So , dx / dy = 3
My = 2 My
So, Mx / My = 1/2
Now,
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