Asked by Kristen
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.
Answers
Answered by
DrBob222
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) = ?
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) = ?
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