chem

Ascorbic acid, H2C6H6O6, is a diprotic acide with a K1= 7.9 E-5 and a K2=1.6E-12. In a .005 M aq solution of ascorbic acid which of the following species is present in the lowest concentration.
1. H2O
2. H3O+
3. H2C6H6O6
4. HC6H6O6-
5. C6H6O6-2

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asked by bob
  1. C6H6O6-2

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    posted by Emily

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