17. Acid and Base Equilibrium
Triprotic Acids and Bases Calculations
Multiple Choice
Multiple ChoiceDetermine the pOH of 0.450 M citric acid, H3C6H5O7. It possesses Ka1 = 7.4 × 10−4, Ka2 = 1.7 × 10−5 and Ka3 = 4.0 × 10−7.
A
7.602
B
13.653
C
9.230
D
12.260
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