two chemistry gas law questions help please ?!?!?

Lindsey

New member
A sample of oxygen gas (O2) has a temperature of 273 K at 1.00 atm. What should the density of this gas be?

How many liters of oxygen gas can react with 84.0 grams of lithium metal at standard temperature and pressure?
4Li + O2 --> 2Li2O

If you could please explain how to do them that would be greatly appreciated !
 
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