Asked by Liz
Calculate the pH of a potassium phosphate buffer if the pKa of KH2PO4 is 7.2 and the acid-base ratio is 2:1
I took Chemistry 7 years ago and am in a review for a Biochem course I am takin. I do not remember the basics so any help with how to get started or what equations to use would be appreciated!
I took Chemistry 7 years ago and am in a review for a Biochem course I am takin. I do not remember the basics so any help with how to get started or what equations to use would be appreciated!
Answers
Answered by
DrBob222
The Henderson-Hasselbalch equation is the one to use.
pH = pKa + log (base)/(acid)
If the aicd/base ratio is 2:1, then the base/acid ratio is 1/2; therefore,
pH = 7.2 + log (1/2)
pH = pKa + log (base)/(acid)
If the aicd/base ratio is 2:1, then the base/acid ratio is 1/2; therefore,
pH = 7.2 + log (1/2)
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.