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What is the total pressure (in atm) after the O2 and He are mixed? 3.0 L at 273 K 3.0 L at 273 K 3.0 L at 273 K 4.0 mol O2 8.
A sample of argon gas is at 0.200 atm and occupies a volume of 10.5 L at 0 °C. What volume will the gas occupy at 4.00 atm an
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•The total pressure of a mixture of gases can be defined as the sum of the pressures of each individual gas: Ptotal=P1+P2+…+Pn.

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