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Selenous acid (H2SeO3) is a diprotic acid Ka1 = 4.5 x 10-3 and Ka2 = 5...

Selenous acid (H2SeO3) is a diprotic acid Ka1 = 4.5 x 10-3 and Ka2 = 5 x 10-3 Determine the concentration of selenite (SeO3-2) in a 0.21 M selenous acid solution.

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