Which of the following is a salt that could be generated by combining a weak acid and a weak base? Select the correct answer below: a) NaCl
b) Na2SO4
c) NH4NO3
d) NH4F

d) NH4F

Explanation:

Hello,

In this case, the base resulting from mixing a weak acid and a weak base is d) NH4F since ammonium hydroxide is a wear base and hydrofluoric acid is a weak acid.

Ammonium hydroxide is a weak base since it is not completely ionized in ammonium and hydroxyl ions:

Moreover, hydrofluoric acid is a weak acid since it is not completely ionized in hydrogen and fluoride ions:

For the both of the substances, the limit is established by the basic and the acid dissociation constant respectively.

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