The density of a gas is 1.96 g L^-1 at 1.00 atm and 0 degrees Celsius. What is te density of this gas at 0.855 atm and 25.0 C?

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The density of a gas is 1.96 g L^-1 at 1.00 atm and 0 degrees Celsius. What is te density of this gas at 0.855 atm and 25.0 C?

[From: ] [author: ] [Date: 14-05-12] [Hit: ]

- Since density is units of mass per volume, you can use n/V as an indication of density.1.96/x = 0.00366/0.x = 1.......

Much needed help! Please show steps in order to get the final answer.

-

Since density is units of mass per volume, you can use n/V as an indication of density.
PV = nRT
n = PV/RT
n/V = P/RT and with R a constant
n/V = P/T
1.96/x = 0.00366/0.00287
x = 1.54 g/L

NOTE: changed temps to Kelvin

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