Chemistry, 07.03.2021 14:00 liltinyhead

If a buffer system containing hydrofluoric acid and fluoride (pKg = 3.17) initially has a pH of 3.22 and base is added until a new pH of 4.69 is obtained, how has the ratio of fluoride to hydrofluoric acid changed?
OA from 1.12: 1 to 33.1 : 1
OB.
from 1:1.12 to 33.1:1
OC from 1: 1.12 to 1:33.1
OD.
from 1.12: 1 to 1:33.1

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If a buffer system containing hydrofluoric acid and fluoride (pKg = 3.17) initially has a pH of 3.22...

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