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Tantalum pentoxide: Difference between revisions

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== Reactions ==
Ta<sub>2</sub>O<sub>5</sub> does not react appreciably with either HCl or HBr, however it will dissolve in [[hydrofluoric acid]], and reacts with [[potassium bifluoride]] and HF according to the following equation:<ref>{{cite journal | last1 = Agulyansky | first1 = A | year = 2003| title = Potassium fluorotantalate in solid, dissolved and molten conditions | journal = J. Fluorine ChemistryChem. | volume = 123| issue = 2 | pages = 155–161 | doi = 10.1016/S0022-1139(03)00190-8 }}</ref><ref>{{cite book|last=Brauer|first=Georg|title=Handbook of preparative inorganic chemistry|year=1965|publisher=Academic Press|isbn=978-0-12-395591-3|pages=256}}</ref>
 
:Ta<sub>2</sub>O<sub>5</sub> + 4 KHF<sub>2</sub> + 6 HF → 2 [[Potassium heptafluorotantalate|K<sub>2</sub>[TaF<sub>7</sub>] ]] + 5 H<sub>2</sub>O