3 H2O + P2O5 → 2 H3PO4
Reactants:
- H2O – Water, oxidane

- Other names: Water (H2O)
, Hydrogen hydroxide (HH or HOH)
, Hydrogen oxide
Dihydrogen monoxide (DHMO) (systematic name)
, Hydrogen monoxide
, Dihydrogen oxide
, Hydric acid
, Hydrohydroxic acid
, Hydroxic acid
, Hydrol
, Μ-oxido dihydrogen
, Κ1-hydroxyl hydrogen(0) 
- Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas

- P2O5
- Names: Phosphorus pentoxide

, Diphosphorus pentoxide 
, Phosphorus(V) oxide
Phosphoric anhydride 
, Tetraphosphorus decaoxide
, Tetraphosphorus decoxide
, Phosphorus pentaoxide 
- Appearance: White powder | very deliquescent | odorless
; Hygroscopic white crystals or powder 
Products:
- H3PO4
- Names: Phosphoric acid



, Orthophosphoric acid 

, Phosphoric(V) acid
White phosphoric acid 
, [PO(OH)3]
, H3PO4
, E338
, Phosphoric acid (aqueous) 
- Appearance: Hygroscopic colourless crystals
; Thick, colorless, odorless, crystalline solid. [Note: Often used in an aqueous solution.] 