The titration curve for 10.0 mL of 0.100 M H3PO4(aq) with 0.100 M NaOH(aq) is given below.
Estimate the pKa2 of H3PO4.
A) 7.2
B) 4.8
C) 9.8
D) 2.2
E) 6.5
Correct Answer:
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