A cylinder containing a mixture of CO and CO2 has a pressure of 2.00 atm at 93 °C (366 K). The cylin — Gases Chemistry Question
Question
A cylinder containing a mixture of CO and CO2 has a pressure of 2.00 atm at 93 °C (366 K). The cylinder is then cooled to –90 °C (183 K), where CO is still a gas but CO2 is a solid with a vapor pressure of 0.25 atm. The pressure in the cylinder at this temperature is 0.90 atm. What is the mole fraction of CO2 in the cylinder?
A.
0.10
B.
0.28
C.✓ Correct
0.35
D.
It cannot be determined from the information given.
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