Asked by Amanda
The following represent the Ka values for a series of weak acids. Which would be the best choice to prepare a buffer at pH=4.00?
2.7 x 10^4
1.2 x 10^-4
4.3 x 10^-8
2.7 x 10^4
1.2 x 10^-4
4.3 x 10^-8
Answers
Answered by
DrBob222
You want the acid with pKa closest to 4.00. Convert those Ka values to pKa and compare.
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