A gas has the density of 1.4 gram per litre when the pressure is one atom find the density of the gas when the pressure is 640mm hr at the same temperature
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Click here to get an answer to your question ✍️ The density of a gas is found to be ... Pressure is p=745mm=0.98atm (1 atm = 760 mm Hg). Temperature is T=650C=65+273=338 K.
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Answer:
Pressure is p=745mm=0.98atm (1 atm = 760 mm Hg)
Temperature is T=65
0
C=65+273=338K
density is d=1.56g/L
P=
M
dRT
where M is molecular wt.
⟹M=
P
dRT
⟹M=
0.98
1.56×338×0.0821
=44.2u
Hence, the molecular mass of the gas is 44.2u.
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