A 0.33-mol sample of a diprotic acid,H2A,is dissolved in 250 mL of water.The Ka1 of this acid is 1.0 10-5 and Ka2 is 1.0 10-10.Calculate the concentration of A2- in this solution.
A) 1.0 10-5 M
B) 1.8 10-3 M
C) 3.6 10-3 M
D) 1.0 10-10 M
E) 1.32 M
Correct Answer:
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