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Hydrofluoric Acid

Hydrofluoric acid is an aqueous solution of hydrogen fluoride gas, a clear, colorless, and corrosive liquid that emits smoke. Melting point -83.3 ℃, boiling point 19.54, flash point 112.2 ℃, density 1.15g/cm 3. Easy to dissolve in water and ethanol, slightly soluble in ether. Due to the relatively strong binding ability between hydrogen and fluorine atoms, hydrofluoric acid cannot be completely io