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a) Calculate the volume at STP of a 4.000 L balloon filled with oxygen at 2.000...

a) Calculate the volume at STP of a 4.000 L balloon filled with oxygen at 2.000 atm and 25.00 oC.

b) How many moles of oxygen at STP?

c) How many grams of oxygen at STP?

d) Calculate the density of oxygen at STP using the volume from problem A  and the mass from problem C

e) Calculate the density of oxygen at STP using the molar volume, 22.414 L/mol.

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