Zn2+(aq) + 4Cn-(aq) ---> [Zn(CN-)4]2-(aq) Kf=2.1x1019
Given that the Ksp for ZnS is 2.0x10-25, use the Kf from the previous to find the equilibrium constant for the following reaction:
ZnS(s) + 4CN-(aq) ---> [Zn(CN-)4]2-(aq) + S-2(aq)
Zn2+(aq) + 4Cn-(aq) ---> [Zn(CN-)4]2-(aq) Kf=2.1x1019 Given that the Ksp for ZnS is 2.0x10-25, use the...
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...
Given the Ksp of Zn(OH)2 is 3.0x10-1, determine the Zn2 ion concentration when the pH of the solution is buffered to pH=12.00 (so that the hydroxide ion concentration is 0.010 M). 1. Zn(OH)2(s) A. [Zn2] 3.0x10-12 M B. [Zn2 3.7x10- M C. [Zn23.0x10-10 M D. [Zn2] 9.1x10-3 M E. [Zn2] 1.5x10-13 M Zn2 (aq) + 20H (aq) Ksp 3.0x10-16 2. When silver carbonate, Ag,COs, is mixed with water, it dissolves to some extent to form a saturated solution where the...
Given that Ksp for AgI(s) = 8.3 × 10−17 and Kf for [Ag(CN)2]− = 1.0 × 1021 at 25°C, what is the ΔG° for the following reaction at the same temperature? AgI(s) + 2 CN−(aq) ⇌ [Ag(CN)2]−(aq) + I−(aq) A. –300 kJ/mol B. –248 kJ/mol C. –152 kJ/mol D. –28 kJ/mol E. +13 kJ/mol
Question 10 The equilibrium of a ZnS precipitate with an aqueous solution of Zn2+ where H2S gas is bubbled through the solution is described by the following chemical equation and equilibrium constant Zn(s) + 2H+ (aq) = Zn2+ (aq) + H250g) K25 t = 0.11 Given that the Zn ion concentration in the solution is 100 10-6 M with a pH of 4.0. if the partial pressure of H2S is 0 01 am then, the solution is undersaturated and a...
Given the following reactions, AgBr(s) = Ag+ (aq) + Br(aq) Ksp = 5.8 x 10-13 Ag+ (aq) + 2 CN"(aq) = Ag(CN)2(aq) Kf = 9.5 x 1021 determine the equilibrium constant for the reaction below. AgBr(s) + 2 CN"(aq) =Ag(CN)2(aq) + Br(aq) Answer: 1.2E21 Check
Use the appropriate values of Ksp and Kf to find the equilibrium constant for the following reaction: PbF2 (s) + 3OH- (aq) -> Pb(OH)3- (aq) + 2F- (aq) Ksp PbF2 = 2.70 x 10-8 Kf Pb(OH)3- = 8 x 1013
Given the following reactions, AgBr(s) Ag (aq) + Br(aq) Ag*(aq)2 CN (aq)=Ag(CN)2(aq) K 1.2E+21 determine the equilibrium constant for the reaction below AgBr(s)2 CN-(aq)= Ag(CN)2 (aq) Brr(aq) Ksp 5.4E-13
Compute the equilibrium constant at 25∘C for the reaction between Zn2+(aq) and Fe(s) which form Zn(s) and Fe2+(aq).
Given the following reaction, Cu2+(aq) + Zn(s) → Cu(s) + Zn2+(aq) E° = 1.10 V Use the Nernst equation to calculate the cell potential for the cell described with standard line notation below. Zn|Zn2+(0.5038 M)||Cu2+(0.3981 M)|Cu Units are not required. Report answer to three decimal places.
The solubility-product constant for Zn(OH)2 is Ksp=3.00×10−16. The formation constant for the hydroxo complex, Zn(OH)42−, is Kf=4.60×1017. A solubility-product constant, Ksp, corresponds to a reaction with the following general format: salt(s)⇌cation(aq)+anion(aq) A formation constant, Kf, corresponds to a reaction with the following general format: metal ion(aq)+Lewis base(aq)⇌complex ion(aq) Part A When Zn(OH)2(s) was added to 1.00 L of a basic solution, 1.11×10−2 mol of the solid dissolved. What is the concentration of OH− in the final solution?