0.10 mole of a diprotic acid, H 2 A, is dissolved in250-mL of water. The ka(1) o

Question

0.10 mole of a diprotic acid, H2A, is dissolved in250-mL of water. The ka(1) of this acid is 1.0 X 10-5and ka (2) is 1.0 X 10-10. What is the concentration ofA2- in this solution? a) 1.0 X 10-5 M b) 2.0 X 10-3 M c) 4.0 X 10-6 M d) 1.0 X10-10 M e) 0.40 M 0.10 mole of a diprotic acid, H2A, is dissolved in250-mL of water. The ka(1) of this acid is 1.0 X 10-5and ka (2) is 1.0 X 10-10. What is the concentration ofA2- in this solution? a) 1.0 X 10-5 M b) 2.0 X 10-3 M c) 4.0 X 10-6 M d) 1.0 X10-10 M e) 0.40 M

Explanation / Answer

B

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