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03-07-2008, 09:24 PM
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| Can someone please help me on these two chemistry problems?!?!? 5. If the gas in problem 4 was helium, How much would it weigh? This is problem #4 How many moles of gas would there be in 6L at STP? answer: 6L/22.4L = 0.268L 6.A mixture of gases consists of 20% N2, 30% O2, and 50% He(by number of moles). If the total pressure is 760 torr, what is the partial pressure of each gas?      |
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