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04-24-2008, 01:20 PM
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| i have two chemistry questions, please? 1. The total pressure of a mixture of 2.00 mol Ar, 2.50 mol Ne, and 3.40 mol He is 6.80 atm. What is the partial pressure of each gas? 2. In a Graham's lae experiment, 0.400 L of N2 effused out of the container in 125 s. 0.400 L of an unknown gas at the same pressure and temperature as the N2 effused out of the same container in 180 s. What was the molecular mass of the unknown gas? thank you in advance. and no you are not doing my homework, this is a test review, and i already have the answers, i just need someone to explain how to get there.      |
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