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![[H₂GH06] - c (suppose) c= 0. 575m (ay +H₂O HCH, (QO HGH60G + Holle Hocal) + H₂O + (as) b) Lets say H₂CG Ho H₂A Where A is 6](http://img.homeworklib.com/questions/ca626ea0-6e72-11ea-b96a-adf750a6e1db.png?x-oss-process=image/resize,w_560)
![Now & [HA] - ca- [H3 ot] = cka, 0.575X 7.948 10-5 [HA] = 6.768 10-3 m. ta = [A2] [Het] [HAT 3 [A2-] = ka, e antitoy-1108) = 1](http://img.homeworklib.com/questions/cb358300-6e72-11ea-b0c5-2ff67598f63a.png?x-oss-process=image/resize,w_560)
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1. Consider a 0.575 M solution ascorbic acid (H2CH&O) also known as Vitimin C (pKa,= 4.10...
1. Consider a 0.575 M solution ascorbic acid (H2CH&O) also known as Vitimin C (pKa= 4.10...
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)
1. Consider a 0.575 M solution ascorbic acid (H.C.H.O.) also known as Vitimin C (pKa =...
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)
Consider a 0.575 M solution ascorbic acid (HC.H.O.) also known as Vitimin C (pKa= 4.10 and...
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)
6- Calculate the pH for 0.0133 M solution of ascorbic acid (CsH,O4COOH). The pka value for...
6- Calculate the pH for 0.0133 M solution of ascorbic acid (CsH,O4COOH). The pka value for ascorbic acid is 4.10. ANS: .***.**.*. .... 7- Calculate the pH for 0.0119 M solution of phenol (C6H5OH). The pka value for phenol is 10. ANS:...
Ascorbic acid (H2C6H6O6H2C6H6O6) is a diprotic acid. The acid dissocation constants for H2C6H6O6H2C6H6O6 are ?a1=8.00×10−5Ka1=8.00×10−5 and...
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 also known as Vitamin C, is an organic compound containing C, H and O....
Ascorbic acid also known as Vitamin C, is an organic compound containing C, H and O. The combustion of a 28.1 g sample of ascorbic acid produces 42.1 g CO2 and 11.5 g H2O. Determine the empirical and molecular formula of ascorbic acid. The molar mass is 176 g/mol.
Consider 0.47 M solution of benzoic acid, HC,H,O, K, -6.4x10%) Mark the major species in the solution DHC,H,O, CH 0...
Consider 0.47 M solution of benzoic acid, HC,H,O, K, -6.4x10%) Mark the major species in the solution DHC,H,O, CH 0,1 DHO er Complete the following table (in terms of "x", the amount of bene acid which reacts). Minus signs must be included, omit positive signs and omit molarity units they are assumed). HC,H,O, C,H,O, Equilibrium 0.47 - X Determine the equilibrium concentration of C,H,O, Calculate the pH of the solution
The pH of a 1.2 M solution of 4-chlorobutanoic acid (HC,H,O,CI) is measured to be 2.22....
The pH of a 1.2 M solution of 4-chlorobutanoic acid (HC,H,O,CI) is measured to be 2.22. Calculate the acid dissociation constant K of 4-chlorobutanoic acid. Round your answer to 2 significant digits. K a
Table 18.2 (continued) 18.20 Solutions Tested pH [H(M) [C,H,O, (M) Percent Dissociation | 0.10 M HCH...
Table 18.2 (continued) 18.20 Solutions Tested pH [H(M) [C,H,O, (M) Percent Dissociation | 0.10 M HCH 0, 2.14 0.010 M HCH 0, 13.09 0.0010 M HC,H,O 284 Question Write the net ionic equation describing the dissociation of acetic acid in aqueous solution. Question Calculate (H) and C.H.O.- for each concentration above, showing a sample cal- culation here Question Write the equilibrium constant expression for acetic acid, and calculate a Kvalue and an apparent percent dissociation for each concentration, showing sample...
1" . I TV a OH Imagine you have a 0.125 M aqueous solution of aspirin, an acid drug with pKa = 3.5, in equilibrium....
1" . I TV a OH Imagine you have a 0.125 M aqueous solution of aspirin, an acid drug with pKa = 3.5, in equilibrium. a) Estimate the pH of the solution Hint: Determine if it is an acid or base solution, weak or strong If weak acid/base, first try [H+] = VK.C, or [OH-] = /K,C, b) Predict what would happen to the pH when you add more H20 Hint: First figure out what happens to the concentrations HA(aq)...
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)
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)
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)
6- Calculate the pH for 0.0133 M solution of ascorbic acid (CsH,O4COOH). The pka value for ascorbic acid is 4.10. ANS: .***.**.*. .... 7- Calculate the pH for 0.0119 M solution of phenol (C6H5OH). The pka value for phenol is 10. ANS:...
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...
Consider 0.47 M solution of benzoic acid, HC,H,O, K, -6.4x10%) Mark the major species in the solution DHC,H,O, CH 0,1 DHO er Complete the following table (in terms of "x", the amount of bene acid which reacts). Minus signs must be included, omit positive signs and omit molarity units they are assumed). HC,H,O, C,H,O, Equilibrium 0.47 - X Determine the equilibrium concentration of C,H,O, Calculate the pH of the solution
The pH of a 1.2 M solution of 4-chlorobutanoic acid (HC,H,O,CI) is measured to be 2.22. Calculate the acid dissociation constant K of 4-chlorobutanoic acid. Round your answer to 2 significant digits. K a
Table 18.2 (continued) 18.20 Solutions Tested pH [H(M) [C,H,O, (M) Percent Dissociation | 0.10 M HCH 0, 2.14 0.010 M HCH 0, 13.09 0.0010 M HC,H,O 284 Question Write the net ionic equation describing the dissociation of acetic acid in aqueous solution. Question Calculate (H) and C.H.O.- for each concentration above, showing a sample cal- culation here Question Write the equilibrium constant expression for acetic acid, and calculate a Kvalue and an apparent percent dissociation for each concentration, showing sample...
1" . I TV a OH Imagine you have a 0.125 M aqueous solution of aspirin, an acid drug with pKa = 3.5, in equilibrium. a) Estimate the pH of the solution Hint: Determine if it is an acid or base solution, weak or strong If weak acid/base, first try [H+] = VK.C, or [OH-] = /K,C, b) Predict what would happen to the pH when you add more H20 Hint: First figure out what happens to the concentrations HA(aq)...
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