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Ascorbic acid or Vitamin C, H2C6H6O6, is a weak diprotic acid. What are the concentrations of H+, H2C6H6O6, HC6H6O6-...

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Chemistry

Ascorbic acid or Vitamin C,H2C6H6O6, is a weakdiprotic acid. What are the concentrations of H+,H2C6H6O6,HC6H6O6- andC6H6O62- in a 0.10 Maqueous solution of ascorbic acid? For ascorbic acidKa1=7.9x10-5 and Ka2= 1.6x10-12.

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4.5 Ratings (604 Votes)
The given diprotic acid H2C6H6O6 dissociates in two steps as step 1 H2C6H6O6 H2O HC6H6O6 H3O Ka1 79 x 105 No we know the acid dissociation constant is the ratio between the product of concentration of product to the concentration of acid taken ie for the above step Ka1 HC6H6O6 H3O H2C6H6O6 where al the concentrations are at equilibrium Now to find    See Answer
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