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(1) Ascorbic acid (vitamin C, C6H8O6) is a diprotic acid, (Ka1= 8.00 x 10^-5 and Ka2= 1.60 x 10^-12). What is the pH of a 0.260 M solution of ascorbic acid?

(2) Nicotine is responsible for the addictive properties of tobacco. Assume Kb1= 1.05 x 10^-6 and Kb2= 1.32 x 10^-11. Determine the pH of a 0.00120 M solution of nicotine.

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Category:- Chemistry
Reference No.:- M9470880

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