Ascorbic acid (vitamin C, C,H,O) is a diprotic acid (K, - 79 x 10-5,K , = 16 x 10-12). Calculate the pH of a soluti...
Ascorbic acid (vitamin C) is a diprotic acid, H2C6H6O6. Calculate [H+], pH, and [C6H6O62-] in a 0.32 M solution of ascorbic acid.
estion 1 of 17 > Ascorbic acid (H,CHO,) is a diprotic acid with K 1 = 8.00 x 10- and K 2 = 1.60 x 10-12. Determine the pH of a 0.228 Mascorbic acid (H,C,H,O,) solution. pH =
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?
Sample question: diprotic acid 24) Ascorbic acid, H2C6H6O2, a diprotic acid, better known as vitamin C has acid hydrolysis constants of Kal = 7.9 x 10-5 and Ka2 = 1.6 x 10-12 What is the [HC6H6O2-) of a solution labeled "0.10 M Ascorbic Acid"?
Ascorbic acid (H2C6H6O6H2C6H6O6) is a diprotic acid. The acid dissocation constants for H2C6H6O6H2C6H6O6 are ?a1=8.00×10−5Ka1=8.00×10−5 and ?a2=1.60×10−12.Ka2=1.60×10−12. 1. Determine the pH of a 0.132 M0.132 M solution of ascorbic acid. 2. Determine the equilibrium concentrations of all species in the solution. Ascorbic acid ( H C,H,O2) is a diprotic acid. The acid dissocation constants for H,C,H,O, are Kal = 8.00 x 10- and Kq2 = 1.60 x 10-12 Determine the pH of a 0.132 M solution of ascorbic acid. pH...
Ascorbic acid, vitamin C, is a water-soluble vitamin. A solution that contains 80.5g ascorbic acid, C6H806 dissolved in 210g of water has a density of 1.22g/mL at 55C. With this information, answer the exercises of the 15-18. calculate % per mass of ascorbic acid, vitamin C calculate the molar fraction of ascorbic acid, vitamin C calculate the molality of ascorbic acid, vitamin C Calculate the molarity of ascorbic acid, vitamin C
Phthalic acid (H,C,H,O,) is a diprotic acid with K 1 = 1.12 x 10- and K 2 = 3.90 x 10-Determine the pH of a 0.177 M phthalic acid (H,C,H,O,) solution. pH = about us Career P o licy Terms of use contacts 12.50
A vitamin C (ascorbic acid) tablet was dissolved in approximately 50 mL of distilled water and titrated with the standardized NAOH solution. From the results of this titration, the mg of ascorbic acid in the tablet was calculated. Molecular formula of ascorbic acid: C6H806 Volume of NaOH required to neutralize ascorbic acid in Vitamin C tablet (mL) 14.47 Concentration of NaOH in mol/L, 0.1964 Calculate the amount of ascorbic acid in the Vitamin C tablet in (mg). Answer:
For the diprotic weak acid H.A, K = 3.2 x 10 and K2 = 8.7 x 10-'. What is the pH of a 0.0550 M solution of H, A? pH = What are the equilibrium concentrations of H, A and A?- in this solution? [HA] = A-1 =
Vitamin C is the common name for ascorbic acid, HC6H7O6 whose Ka = 8.0 x 10-5. Calculate (to two decimal places) the pH of a 0.037 M solution of this weak acid.