2 H2SeO4 + (P2O5)2 → 2 SeO3 + 4 HPO3

Reactants:

  • H2SeO4 – Selenic(VI) acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Selenic acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, H2SeO4 source: wikidata, accessed: 2019-09-02, [SeO2(OH)2] source: wikidata, accessed: 2019-09-02
    • Appearance: Colorless deliquescent crystals source: wikipedia, accessed: 2019-09-27
  • (P2O5)2

Products:

  • SeO3
    • Names: Selenium trioxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Selenic anhydride source: ICSC, accessed: 2019-09-04
    • Appearance: White hygroscopic crystals source: wikipedia, accessed: 2019-09-27; Yellowish white hygroscopic crystalline powder source: ICSC, accessed: 2019-09-04
  • HPO3