Asked by Leaf02
Aspirin (acetylsalicylic acid) can cause stomach bleeding. Only the acid form can cross the stomach lining. Determine the ratio of base to its conjugate acid when the stomach pH=2.00. Ka aspirin = 2.75x10-5
Answers
Answered by
DrBob222
Use the Henderson-Hasslebalch equation:
pH = pKa + log (base/acid).
You will need pKa. That is -log Ka.
You know pH and you can calculate pKa. Solve for (acid/base) and that is the ratio you want.
pH = pKa + log (base/acid).
You will need pKa. That is -log Ka.
You know pH and you can calculate pKa. Solve for (acid/base) and that is the ratio you want.
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