Homework Answers
Problem 2: Find the concentrations of Ag, CN, and HCN in a saturated solution of AgCN...
Problem 2: Find the concentrations of Ag, CN, and HCN in a saturated solution of AgCN whose pH is somehow fixed at 9.00. Consider the following equilibria: Ksp = 2.2 x 10-16 AgCN(s) CN + H20 Ag+ + CN- HCN(aq) + OH- Kb = 1.6 x 10-5
Determine [Zn2+], [CN-], and [HCN) in a saturated solution of Zn(CN), with a fixed pH of...
Determine [Zn2+], [CN-], and [HCN) in a saturated solution of Zn(CN), with a fixed pH of 1.250. The Ksp for Zn(CN), is 3.0 x 10-16. The K, for HCN is 6.2 x 10-10. [Zn²+] = M [HN] = | M [CN-] = M
Problem 2: Find the concentrations of Agt. CN. and HCN in a saturated solution of AgCN...
Problem 2: Find the concentrations of Agt. CN. and HCN in a saturated solution of AgCN whose pH is somehow fixed at 9.00. Consider the following equilibria: AgCN() ► Ag+ + CN- CN + H20 HCN(aq) + OH Ksp = 2.2 x 10-16 Kb = 1.6 x 105
Determine (Zn2+], [CN-), and (HCN) in a saturated solution of Zn(CN), with a fixed pH of...
Determine (Zn2+], [CN-), and (HCN) in a saturated solution of Zn(CN), with a fixed pH of 2.080. The Ksp for Zn(CN), is 3.0 x 10-16. The K, for HCN is 6.2 x 10-10. (Zn2+] = [HCN] = CNC] =
Determine [Zn2+], [CN−], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of...
Determine [Zn2+], [CN−], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.340. The Ksp for Zn(CN)2 is 3.0×10−16. The Ka for HCN is 6.2×10−10.
. ? Q1: Determine the pH solution contains 1.0 M of HCN (ka = 6.2 x...
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Q1: Determine the pH solution contains 1.0 M of HCN (ka = 6.2 x 10-10) and HNO2 (ka = 4.0 x 10-4)? Correct answer is pH = 1.35
LL Determine [Zn2+1, (CN"), and [HCN) in a saturated solution of Zn(CN), with a fixed pH...
LL Determine [Zn2+1, (CN"), and [HCN) in a saturated solution of Zn(CN), with a fixed pH of 2.180. The K, for Zn(CN), is 3.0 x 10-16. The K, for HCN is 6.2 x 10-10. [Zn2+] = [HCN] = | [CN) =
IIIIIIIIIIIIIIIIIIIIIIIIIIIIII 27) Determine the Kb for CN at 25°C. The K, for HCN is 4.9.10-10. A)...
IIIIIIIIIIIIIIIIIIIIIIIIIIIIII 27) Determine the Kb for CN at 25°C. The K, for HCN is 4.9.10-10. A) 1.4. 10-5 B) 49.10-14 C) 20.10-5 D) 23.10-9 E) 3.7.10-7 28) 28) Calculate the solubility (in g/L) of calcium fluoride in water at 25°C if the Ksp for Ca F2 is 1.5 10-10 A) 9.6 10-4 g/L B) 3.3. 10-2 g/L. C) 4.1 . 10-2 g/L. D) 2.6 x 10-2 g/L 29) 29) The equilibrium constant is given for two of the reactions below....
Determine [Zn2 ], [CN–], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH...
Determine [Zn2 ], [CN–], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.160. The Ksp for Zn(CN)2 is 3.0 × 10–16. The Ka for HCN is 6.2 × 10–10. Hint: Use the systematic treatment of equilibrium to solve this problem. 1. Write the pertinent reactions. 2. Write the charge balance equation. 3. Write the mass balance equations. 4. Write the equilibrium constant expressions for each reaction. 5. Count the equations and unknowns. 6. Solve for...
Calculate the concentration of H3O for an aqueous solution with a pH of 6.20. A) 6.3 x 10-7 M E) 4.0 x 10 M 1. B)...
Calculate the concentration of H3O for an aqueous solution with a pH of 6.20. A) 6.3 x 10-7 M E) 4.0 x 10 M 1. B) 1.6 x 10 M C) 1.0x 10-14 M D) 6.20 x 1014 M 2. The pH of a 0.010 M aqueous solution of Ca(OH)2 is A) 11.70 B) 12.00 C) 12.30 E) 1.70 D) 12.60 alution with a nH of 9.60. for an aqueous solution with a pH of 9.60. C) 1.5 x 10-5...
Problem 2: Find the concentrations of Ag, CN, and HCN in a saturated solution of AgCN whose pH is somehow fixed at 9.00. Consider the following equilibria: Ksp = 2.2 x 10-16 AgCN(s) CN + H20 Ag+ + CN- HCN(aq) + OH- Kb = 1.6 x 10-5
Determine [Zn2+], [CN-], and [HCN) in a saturated solution of Zn(CN), with a fixed pH of 1.250. The Ksp for Zn(CN), is 3.0 x 10-16. The K, for HCN is 6.2 x 10-10. [Zn²+] = M [HN] = | M [CN-] = M
Problem 2: Find the concentrations of Agt. CN. and HCN in a saturated solution of AgCN whose pH is somehow fixed at 9.00. Consider the following equilibria: AgCN() ► Ag+ + CN- CN + H20 HCN(aq) + OH Ksp = 2.2 x 10-16 Kb = 1.6 x 105
Determine (Zn2+], [CN-), and (HCN) in a saturated solution of Zn(CN), with a fixed pH of 2.080. The Ksp for Zn(CN), is 3.0 x 10-16. The K, for HCN is 6.2 x 10-10. (Zn2+] = [HCN] = CNC] =
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Q1: Determine the pH solution contains 1.0 M of HCN (ka = 6.2 x 10-10) and HNO2 (ka = 4.0 x 10-4)? Correct answer is pH = 1.35
LL Determine [Zn2+1, (CN"), and [HCN) in a saturated solution of Zn(CN), with a fixed pH of 2.180. The K, for Zn(CN), is 3.0 x 10-16. The K, for HCN is 6.2 x 10-10. [Zn2+] = [HCN] = | [CN) =
IIIIIIIIIIIIIIIIIIIIIIIIIIIIII 27) Determine the Kb for CN at 25°C. The K, for HCN is 4.9.10-10. A) 1.4. 10-5 B) 49.10-14 C) 20.10-5 D) 23.10-9 E) 3.7.10-7 28) 28) Calculate the solubility (in g/L) of calcium fluoride in water at 25°C if the Ksp for Ca F2 is 1.5 10-10 A) 9.6 10-4 g/L B) 3.3. 10-2 g/L. C) 4.1 . 10-2 g/L. D) 2.6 x 10-2 g/L 29) 29) The equilibrium constant is given for two of the reactions below....
Calculate the concentration of H3O for an aqueous solution with a pH of 6.20. A) 6.3 x 10-7 M E) 4.0 x 10 M 1. B) 1.6 x 10 M C) 1.0x 10-14 M D) 6.20 x 1014 M 2. The pH of a 0.010 M aqueous solution of Ca(OH)2 is A) 11.70 B) 12.00 C) 12.30 E) 1.70 D) 12.60 alution with a nH of 9.60. for an aqueous solution with a pH of 9.60. C) 1.5 x 10-5...
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