Homework Help: Chemistry

Posted by Peter on Tuesday, January 29, 2013 at 5:26am.

If there are 5 liters of oxygen gas (O2) at 300 K and 400 torr, what will it weigh?
Answer in units of g.

Do I use the Ideal gas law formula for this problem?

Chemistry - DrBob222, Tuesday, January 29, 2013 at 2:41pm
Yes, use PV = nRT and solve for n, then
n = grams/molar mass and solve for grams.
Chemistry - Peter, Tuesday, January 29, 2013 at 5:58pm
When I use this formula do I have to convert torr to atm and mL to L?
Chemistry - Peter, Tuesday, January 29, 2013 at 6:20pm
I got around 5.48g...
I think it's wrong

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