Respuesta :
Water is an amphoteric compound. This means it could be a base or an acid, depending on the substance it is to be reacted with. In this case, water is a base because HF is an acid. Now, if the reactant is an acid, its form after the reaction is called the conjugate pair. Since HF became F⁻, the acid-conjugate base pair is: HF and F⁻.
The acid-conjugate base pair in the reaction is HF and F.
The conjugate acid refers to the specie that is formed when a base accepts a proton while a conjugate base is formed when an acid looses a proton. This is derived from the Brownstead - Lowry definition of acids.
For this reaction;
- The acid is HF
- The conjugate base is F-
Therefore, the acid-conjugate base pair in the reaction is HF and F.
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