Question: Ascorbic acid (Vitamin C, C_{6}H_{8}O_{6}) is a weak diprotic acid, with K_{a1} = 6.8x10^{-5} and K_{a2 } = 2.7x10^{-12}. What is the pH of a

Ascorbic acid (Vitamin C, C_{6}H_{8}O_{6}) is a weak diprotic acid, with K_{a1} = 6.8x10^{-5} and K_{a2 } = 2.7x10^{-12}. What is the pH of a solution that contains 12.9 mg of vitamin C per 1.0 mL of solution?

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