How many liters of oxygen a@STP will produce 195 grams of diphosphorus pentoxide when reacted with sufficient phosphorus?- exact question. Could someone plz help I am confused and if you could help me put it in dimensional analysis.

Answer 1

4P + 5O2 --> 2P2O5

Convert g P205 to mol.
195g P2O5 x (1 mol P2O5/molar mass P2O5) = ?

Convert mols P2O5 to mols O2.
?mols P2O5 x (5 mol O2/2 mol P2O5) = ?

volume O2 produced = mols O2 x (22.4L/mol) = ?