# Chemistry

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5.00 liter steel cylinder is filled with water vapor at 100 °C and 650 mm Hg. The problem I am having is whether the 5.00L significant in the problem and if so where?
a. Determine the density of this gas sample.
b. Determine the mass of water that condenses to a liquid when the closed
system is cooled to 20 °C. The vapor pressure of water at 20 °C is 18 mm
Hg.
6.

• Chemistry -

PM = dRT
P is pressure in atm.
M is molar mass H2O
d is density of gas sample.
R is 0.08206
T is 373K.

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