A 65.0 mL solution of 0.118 M potassium alaninate (H2NC2H5CO2K) is titrated with 0.118 M HCl....

90.2K

Verified Solution

Question

Chemistry

A 65.0 mL solution of 0.118 M potassium alaninate (H2NC2H5CO2K)is titrated with 0.118 M HCl. The pKa values for the amino acidalanine are 2.344 (pKa1) and 9.868 (pKa2), which correspond to thecarboxylic acid and amino groups, respectively.
a) Calculate the pH at the first equivalence point.
b) Calculate the pH at the second equivalence point.

Answer & Explanation Solved by verified expert

4.3 Ratings (922 Votes)

a at first equivalence point pH 12 pka1 pka2 hence pH 12 23449868 61 b at 2nd equivalence point we have H2NC2H5CO2K aq 2H aq 3HNC2H5CO2H aq H2NC2H5CO2K moles M x V 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!

Become a Member

A 65.0 mL solution of 0.118 M potassium alaninate (H2NC2H5CO2K) is titrated with 0.118 M HCl....

90.2K

Verified Solution

Question

Chemistry

Answer & Explanation Solved by verified expert

Get Answers to Unlimited Questions

Membership Benefits:

Other questions asked by students

Choose a sport and using specific examples, explain how 3 types of strength are beneficial to...

2 An object moves with velocity V 1 towards the inclined plane mirror as shown...

On a test of 78 items, Pedro got 93% correct. (There was partial credit on...

9x x 1 4 x 1 9x x 1 4 x 1 Type your answer...

9 Convert the following equation to its alternate form standard to slope intercept or vice...

The partnership of Bauer, Ohtani, and Souza has elected to cease all operations and...

Carla Vista Company uses special journals and a...

Facts:

Calculating the Predetermined Overhead Rate, Applying Overhead to Production At the beginning of the year,...

Venice InLine, Inc., was founded by Russ Perez to produce a specialized in-line skate he...

Prepare the reconciliation of change in total fund balance to change in net assets for...

Computech Corporation is expanding rapidly and currently needs to retain all of its earnings; hence,...