aj47 Posted August 31, 2006 Share Posted August 31, 2006 From what I remember from my A2 chem course, phosphoric(V)acid can be formed from phosphorus pentoxide in the reaction [ce]P2O5 + 3H2 O -> 2H3PO4[/ce]. As i've been looking for a small amount of phosphoric acid, I wondered whether this reaction could be carried out at home by simply burning red phosporus to obtain the pentoxide then reacting with water? From what I have read, industrial methods involve dissolving the pentoxide in dilute phosphoric acid not water which suggest that the reaction my be slightly violent so I'm a little wary. Anyway do you think this would work or is there a simpler/safer method to obtain the acid? EDIT: this should probably be in the applied chemistry section actually. Link to comment Share on other sites More sharing options...
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