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At STP, 1 mole of gas has a molar volume of 22.4 L. What is the density (g/L) of oxygen at STP?
(Hint: find mass using PV=nRT) and find Density using d=m/v

Sagot :

So the GFM of O2 is 32.00g/mol
If we have 1 mole of O2 we have 32.00g
32.00g/22.4L = 1.42857… aprox. 1.43g/L

Sorrr I’m not quite sure where PV=nRT comes in
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