Hydrogen fluoride is an acid which reacts with sodium hydroxide to produce a salt that is used to prevent tooth decay.
Identify the salt produced in this reaction. Write a word and balanced chemical equation (including states) for this reaction.
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Hydrogen fluoride reacts with sodium hydroxide to produce a salt, sodium fluoride and water.
The balanced chemical reaction is HF + NaOH ---> NaF + H2O
This is typically the neutralisation reaction between a monobasic acid and a monoacidic base reacting to produce a normal salt and one molecule of water. As for the states, hydrogen fluoride and water are liquids, NaOH is solid, so is NaF. All these reactants are, however, made to react in aqueous solutions.
The balanced chemical reaction can thus be modified as: HF (aq) + NaOH (aq) ---> NaF (aq) + H2O (l)
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