Multiple Choice
Estimate the pH of 0.10 M Na2HPO4(aq) given pKa1 = 2.12,pKa2 = 7.21,and pKa3 = 12.68 for phosphoric acid.
A) 12.68
B) 9.94
C) 7.40
D) 4.67
E) 2.12
Correct Answer:
Verified
Correct Answer:
Verified
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