Multiple Choice
Selenous acid (H2SeO3) is a diprotic acid, for which Ka1 = 4.5 × 10-3 and Ka2 = 5.0 × 10-8. Determine the concentration of selenite (SeO3-2) in a 0.21 M selenous acid solution.
A) 4.5 × 10-3 M
B) 2.1 × 10-2 M
C) 5.0 × 10-8 M
D) 0.10 M
E) 9.5 × 10-11 M
Correct Answer:
Verified
Correct Answer:
Verified
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