You would like to buffer a solution to a pH of 5. The best acid/salt combination...

Question

Question

You would like to buffer a solution to a pH of 5. The best acid/salt combination you would use is the one with acid pKa

a 4.5

b 5.8

c 6

d 3.1

Answer 1

Answer #1

a 4.5

Reason: Acid pKa value should be choosen little the pH value of buffer like to prepare

Answer 2

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