Question

The addition of hydrofluoric acid and __________ to water produces a buffer solution.

a. hcl
b. nano3
c. naf
d. nacl
e. nabr

Answer 1

The addition of hydrofluoric acid and Naf( answer c) to water produces a buffer solution.

Naf is used because buffer consist of a weak acid and the salt of that base.Buffer also consist a weak base and salt of that base .Hydrofluoric acid is a weak acid thus the salt would be added is Naf to produce buffer solution.