Multiple Choice
The dissociation equilibrium constants for the protonated form of alanine (a diprotic amino acid,H2X+) are Ka1 = 4.6 × 10-3 and Ka2 = 2.0 × 10-10.What is the pH of 50.00 mL of a 0.0500 M solution of alanine after 25.00 mL of 0.100 M NaOH has been added?
A) 2.34
B) 4.85
C) 5.59
D) 6.72
Correct Answer:
Verified
Correct Answer:
Verified
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