The Dissociation Equilibrium Constants for the Protonated Form of Alanine

question 24

Multiple Choice

The dissociation equilibrium constants for the protonated form of alanine (a diprotic amino acid H₂X⁺) are K_a1 = 4.6 × 10^-3 and K_a2 = 2.0 × 10^-10.What is the pH of 50.00 mL of a 0.100 M solution of alanine after 100.00 mL of 0.100 M NaOH has been added?

• A)9.70
• B)10.69
• C)11.11
• D)12.70

---

Definitions:

Maximize Wealth

The process or strategy aimed at increasing the net value of assets owned by an individual or corporation.

Opportunity Cost

The worth of the best option given up by choosing to follow a specific course of action.

Different Utilities

The concept relating to the varied usefulness or satisfaction that consumers derive from products or services.

Roommates

Individuals who share a living accommodation, where each person typically has their own room but shares other facilities like the bathroom and kitchen.