You are asked to prepare a pH = 3.00 buffer solution startingfrom 1.25 L of a 1.00 M solution of hydrofluoric acid(HF) and any amount you need of sodium fluoride (NaF).(a) What is the pH of the hydrofluoric acid solution priorto adding sodium fluoride? (b) How many grams of sodiumfluoride should be added to prepare the buffer solution?Neglect the small volume change that occurs when the sodiumfluoride is added.
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You are asked to prepare a pH = 3.00 buffer solution starting
from 1.25 L of a 1.00 M solution of hydrofluoric acid
(HF) and any amount you need of sodium fluoride (NaF).
(a) What is the pH of the hydrofluoric acid solution prior
to adding sodium fluoride? (b) How many grams of sodium
fluoride should be added to prepare the buffer solution?
Neglect the small volume change that occurs when the sodium
fluoride is added.
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