Homework Help: chemistry

Posted by sam on Monday, April 9, 2012 at 9:05pm.

You have a 1 L container of a gas O 2 at 20°C and 1 atm. Subtracting the weight of the container, what is the mass of the gas?

chemistry - DrBob222, Monday, April 9, 2012 at 10:02pm
PV = nRT and solve for n = number of mols.
Then n = grams/molar mass. You know n and molar mass; solve for grams.

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