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6- Calculate the pH for 0.0133 M solution of ascorbic acid (CsH,O4COOH). The pka value for...
Consider a 0.575 M solution ascorbic acid (HC.H.O.) also known as Vitimin C (pKa= 4.10 and where pKa2 = 11.80.) a. First write out the two acid dissociation equilibrium reactions that occur in this solution (4pts) HAHOO + HOODS b. What is the pH, [HC.H.O.) and (C.H.O. 1 (8pts)
4. (15) A saturated solution of phenol, C6H5OH, a very weak acid with pKa=10.00, has pH=4.90. What is the molarity of phenol in this solution?
1. Consider a 0.575 M solution ascorbic acid (H.C.H.O.) also known as Vitimin C (pKa = 4.10 and where pKaz = 11.80.) a. First write out the two acid dissociation equilibrium reactions that occur in this solution (4pts) b. What is the pH, [HC.H.06 ) and [CH.02- ] (8pts) 2. What is the approximate pH of a solution of 0.620M NaC.H.O.? Here you can refer to the equilibrium constants in question 2, assume this compound is fully soluble. (4pts)
1. Consider a 0.575 M solution ascorbic acid (H2CH&O) also known as Vitimin C (pKa,= 4.10 and where pKa 11.80.) a. First write out the two acid dissociation equilibrium reactions that occur in this solution (4pts) b. What is the pH, [HC H&O ] and [C H O1 (8pts) 2. What is the approximate pH of a solution of 0.620M NaCaH&O&? Here you can refer to the equilibrium constants in question 2, assume this compound is fully soluble. (4pts)
1. Consider a 0.575 M solution ascorbic acid (H2CH&O) also known as Vitimin C (pKa= 4.10 and where pKa2 11.80.) a. First write out the two acid dissociation equilibrium reactions that occur in this solution (4pts) b. What is the pH, [HC HO ] and [C H&O 1 (8pts) 2. What is the approximate pH of a solution of 0.620M NaCaH&O? Here you can refer to the equilibrium constants in question 2, assume this compound is fully soluble, (4pts)
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
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...
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)
Calculate the pH and the concentrations of all species of 0.100 M ascorbic acid solution. . Concentrations must be in molarity, M. List your answers in the following [H3O+], [H2A], [HA-], [A-] ksp 8.0E-5
Calculate the pH of a 0.05 M solution of ascorbic acid (K21 = 7.9 x 10-5; K 2 is 1.6 x 10-12). a. 11.8 Ob. 2.7 c. 11.3 d. 5.4 Oe. 8.6