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A 033-Mol Sample of a Diprotic Acid,H2A,is Dissolved in 250 ML

Question 88

Multiple Choice

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 ×\times 10-5 and Ka2 is 1.0 ×\times 10-10.Calculate the concentration of A2- in this solution.


A) 1.0 ×\times 10-5 M
B) 1.8 ×\times 10-3 M
C) 3.6 ×\times 10-3 M
D) 1.0 ×\times 10-10 M
E) 1.32 M

Correct Answer:

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