Gas Law Chemistry Problem Help!
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Gas Law Chemistry Problem Help!

[From: ] [author: ] [Date: 11-05-09] [Hit: ]
divide the mass of one mole by the volume you just got. The density will be in g/L.......
The mean molar mass of the atmosphere at the surface of Titan, Saturn's largest moon, is 28.6 g/mol. The surface temperature is 95 K and the pressure is 1.6 atm. Assuming ideal behavior, calculate the density of Titan's atmosphere.
Please explain!

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PV=nRT
Pressure(in atm)*Volume(in L)=Moles*R(constant)*Temperature(in K)

Density=mass/volume

What you do is you plug the values you have into the first equation (the ideal gas law), using 1 for moles, to find the volume of 1 mole. I don't know R so you'll have to do it yourself. Once you have the volume, divide the mass of one mole by the volume you just got. The density will be in g/L.
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