Asked by Lauren
Lactic acid, C3H6O3, is found in sour milk. A solution containing 1.00g NaC3H5O3 in 100.0mL of 0.0500M C3H6O3 has a pH= 4.11.
Calculate the Ka of lactic acid
Calculate the Ka of lactic acid
Answers
Answered by
DrBob222
Let lactic acid = HL
The salt, then, is NaL.
I would use the Henderson-Hasselbalch equation but it can be done without that.
Substitute 4.11 for pH.
(base) in the HH equation = 1g/molar mass NaL.
(acid) in the HH equation = 0.05
Solve for pKa and convert to Ka.
The salt, then, is NaL.
I would use the Henderson-Hasselbalch equation but it can be done without that.
Substitute 4.11 for pH.
(base) in the HH equation = 1g/molar mass NaL.
(acid) in the HH equation = 0.05
Solve for pKa and convert to Ka.
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.