Acids and Bases

How Do You Make Hydrofluoric Acid?

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Wiki User
November 06, 2011 4:46PM

i'd imagine that since fluorine is more reactive than chlorine that if you bubbled fluorine through hydrochloric acid with some heat source it would just be a simple single replacement reaction.

Not Exactly. You need to get Fluorite (it is a rock) then you need concentrated sulfuric acid. You then grind the fluorite then put it in the sulfuric acid. Mixing it would increase the reaction rate. Then you heat it to approximately 256 C. The products that follow are Hydrogen Flouride (HF) and Calcium Sulfate. You get the Hydrogen Fluoride then add Oleum to it, and create Hydrofluoric Acid. Make sure you have a gas mask and protective gloves when you do this. IMPORTANT: If you are making it make sure you have Calcium Gluconate, it is extremely important if you get burned. And that is how you create hydrofluoric acid. If am putting the actually equation below.

CaF2 + H2SO4 → 2 HF + CaSO4