What is the pH of a solution that consists of 0.50 M H2C6H6O6 (ascorbic acid) and 0.75 M NaHC6H6O6 (sodium ascorbate)? What is the pH if 20.0 mL of a 0.280 M perchloric acid is added to 200.mL of the ascorbic acid sodium ascorbate solution? What is the pH if 30.0 mL of a 0.125 M sodium hydroxide is added to 200.mL of the ascorbic acid sodium ascorbate solution? The ionization constant for ascorbic acid is 6.8 x 10–5
pH of ascorbic acid and sodium ascorbate solution = 4.35
pH after addition of perchloric acid = 4.306
pH after addition of sodium hydroxide = 4.373
What is the pH of a solution that consists of 0.50 M H2C6H6O6 (ascorbic acid) and...
Calculate the pH of a 0.05 M solution of ascorbic acid ( H2C6H6O6 = H2ASC) Ka1 = 1 x 10-5 Ka2= 5 x 10-12 H2ASC (aq) + H2O (l) <=> H3O+ (aq) + HASC- (aq)
Find the pH of a 0.225 M ascorbic acid (H2C6H6O6) solution. Find the equilibrium concentration of C6H6O6 -2. Ka1 = 8.01 x 10-5 Ka2 = 1.59 x 10-12
Calculate the pH and the concentrations of all species present in 0.11 M ascorbic acid (H2C6H6O6) solution. (Ka1=8.0×10−5), (Ka2=1.6×10−12) Part A: Calculate the pHpH of a 0.11 MM solution of ascorbic acid. Part B: Calculate the concentration of H2C6H6O6 in a 0.11 MM solution of ascorbic acid. Part C: Calculate the concentration of HC6H6O6−HC6H6O6− in a 0.11 MM solution of ascorbic acid. Part D: Calculate the concentration of C6H6O62−C6H6O62− in a 0.11 MM solution of ascorbic acid Part E: Calculate...
Ascorbic acid (vitamin C) is a diprotic acid, H2C6H6O6. Calculate [H+], pH, and [C6H6O62-] in a 0.32 M solution of ascorbic acid.
What is the pH of a solution containing 0.50 M ammonia and 0.50 M ammonium chloride? What will the pH be after 25mL of 0.20 M of hydrochloric acid has been added to 100.0mL of the solution containing the ammonia and ammonium chloride? What will the pH be after 18mL of 0.25 M of lithium hydroxide has been added to 100.0mL of the solution containing the ammonia and ammonium chloride? The ionization constant for ammonia is 1.8x10-5.
the answer is C but im not quite sure how to calculate that 11. What is the pH of a solution that consists of 0.50 Mascorbic acid and 0.75 M of its conjugate base, sodium ascorbate? For ascorbic acid, Ka = 6.8 x 10-5 A) 3.76 B) 3.99 C 4.34 D) 4.57 E) 5.66 Ka eCh PH:-loa CH o-75 6-Tx105-03COns
What is the pH of the solution obtained by mixing 30.00 mL of 0.250 M HCl and 30.00 mL of 0.125 M NaOH? We assume additive volumes. What is the pH of a solution that is 0.75 M in sodium acetate and 0.50 M in acetic acid? (ka for acetic acid is 1.3x10-5.) Calculate the pH of a solution prepared by mixing 15.00 ml of 0.10 M NaOH and 30.00 mL of 0.10 M benzoic acid solution. (Benzoic acid is monoprotic; its...
1) Calculate the concentration of HC6H6O6- in an aqueous solution of 0.0420 M ascorbic acid, H2C6H6O6 (aq). [HC6H6O6-] =________ M.
1.When a 15.1 mL sample of a 0.479 M aqueous nitrous acid solution is titrated with a 0.483 M aqueous sodium hydroxide solution, what is the pH after 22.5 mL of sodium hydroxide have been added? 2.A 21.6 mL sample of 0.214 M diethylamine, (C2H5)2NH, is titrated with 0.256 M perchloric acid. The pH before the addition of any perchloric acid is
2. What is the "What is the pH of the solution obtained by mixing 30.00 mL of 0.250 M HCl and 30.00 mL of 0.125 M NaOH? We assume additive volumes. 3. What is the pH of a solution that is 0.75 M in sodium acetate and 0.50 M in acetic acid? (K, for acetic acid is 1.8x10-5.)