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September 18, 2014

Homework Help: chemistry

Posted by Sam on Friday, April 18, 2008 at 1:08pm.

A gaseous mixture at a total pressure of 1.50 atm contains equal molar amounts of He, Ne, and Ar. At constant temperature CO2 gas is added to the mixture until the total pressure is 3.00 atm. Which of the following is a correct statement concerning partial pressures after the CO2 addition?

a. the original partial pressures of He, Ne, and Ar have been cut in half
b. the partial pressure of CO2 is three times that of Ne
c. all four gases have equal partial pressures
d. the partial pressure of Ar has doubled

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