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You are required to conduct an experiment that should be buffered at pH = 5.2. The only chemicals available are butanoic acid and sodium butanoate. Plan and design an experiment to demonstrate how you would prepare 100 ml of this buffer using 10 ml of 0.05 M butanoic acid.

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Related questions


1)

(a) Calculate the pH of a buffer that is 0.12 M in lactic acid and 0.11 M in sodium lactate.

(b) Calculate the pH of a buffer formed by mixing 85 mL of 0.13 M lactic acid with 95 mL of 0.15M sodium lactate.

2) 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? Neglect the small volume change that occurs when the sodium fluoride is added.

3) Calculate the solubility of Mn(OH)2Β in grams per liter when buffered at pH

(a) 7.0

(b) 9.5

(c) 11.8

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