The Dissociation Equilibrium Constants for the Protonated Form of Alanine

question 97

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 0.050 M solution of alanine after 37.50 mL of 0.100 M NaOH has been added?

• A)4.85
• B)6.02
• C)7.39
• D)9.70

Grasp the principles and controversies surrounding lie detection technologies.

Appreciate the importance of standardization, reliability, and validity in clinical tests.

Understand how psychophysiological tests are conducted and interpreted.

Understand the concept of fixed, variable, and total costs in production.

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