HQ15.36 Homework Ascorbic acid (Vitamin C, C_{6}H_{8}O_{6}) is a weak diprotic acid, with K_{a1} = 6.8x10^{-5}...

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HQ15.36 Homework Ascorbic acid (Vitamin C, C_{6}H_{8}O_{6}) is a weak diprotic acid, with K_{a1} = 6.8x10^{-5}...

HQ15.36 Homework

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 14.3 mg of vitamin C per 1.0 mL of solution?

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Answer 1

Answer #1

Olestion Ascorbic acid (6 HSO6 molecular mass = 176 concentration of Ascorbic acid, 14.310 grom = mole vowme 776 Txit L conce (a= .0281 protonation KO₂=2.7 x 1012 c- cal 0814.028 6 = 2.2x103) second type protonation 2 (6 Hy oo - K6 H.605 + Ht c(1-0

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Answer 2

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HQ15.36 Homework Ascorbic acid (Vitamin C, C_{6}H_{8}O_{6}) is a weak diprotic acid, with K_{a1} = 6.8x10^{-5}...