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3. Which acid would you choose to combine with its sodium salt to make a solution...

3. Which acid would you choose to combine with its sodium salt to make a solution buffered at pH 4.25? For the best choice, calculate the ratio of the conjugate base to the acid required to attain the desired pH.

Chlorous acid pKa = 1.95

Nitrous acid pKa = 3.34

Formic acid pKa = 3.74

Hypochlorous acid pKa = 7.54

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Answer #1

2.3 or [Conjugate Base] 4 - 0191 is 0 pH of a buffer solution can be given by Hendersons egn pH = pka + log Lconsegate Base7

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