The pKa of the α-carboxyl group of phenylalanine is 1.83, and
the pKa of its α-amino...
80.2K
Verified Solution
Link Copied!
Question
Chemistry
The pKa of the α-carboxyl group of phenylalanine is 1.83, andthe pKa of its α-amino group is 9.13. Calculate the average netcharge on phenylalanine if it is in a solution that has a pH of8.20. If the charge is positive, do not enter a + sign.
Answer & Explanation
Solved by verified expert
4.0 Ratings (680 Votes)
Using Henderson Hasselbalch equation find ratio of deprotonated and protonated form can be calculated as follows pH pKa log COOCOOH substitute data 85 183 log COOCOOH log COOCOOH 85183 log COOCOOH 667 COOCOOH 106677 Thus deprotonated form will be in large
See Answer
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Zin AI - Your personal assistant for all your inquiries!
