| http://www.w3.org/ns/prov#value | - Reply wikipedia (http://en.wikipedia.org/wiki/Hexafluorosilicic_acid): ???Hexafluorosilicic acid refers to an equilibrium mixture with hexafluorosilicate anion (SiF6(2???)) in an aqueous solution or other solvents that contain strong proton donors[1] at low pH???, and ???Aqueous solutions of H2SiF6 contain the hexafluorosilicate anion, SiF6(2???) and protonated water.??? (Clumsy transcription of t
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