Hexafluorosilicic acid is made by the reaction of silica

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Reference no: EM13183324

Hexafluorosilicic acid is made by the reaction of silica and hydrofluoric acid by the following reaction

6HF + SiO2 ? H2SiF6 + 2H2O ?Hr = -670 kJ/mol

What is the enthalpy change if the feed into a reactor contains 3 mol HF and 1.5 mol SiO2?

Reference no: EM13183324

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