Consider the insoluble compound silver hydroxide , AgOH . The silver ion also forms a complex with cyanide ions . Write a balanced net ionic equation to show why the solubility of AgOH (s) increases in the presence of cyanide ions and calculate the equilibrium constant for this reaction. For Ag(CN)," , Kę=5.6×1018 . Use the pull-down boxes to specify states such as (aq) or (s). K=
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- Determine the molar solubility of CaF2 in a 0.10 M CaCl2(aq) solution. Clearly identify any assumptions/approximations that you make.Calculate the molar solubility (in mol/L) of Ag2S(s) at 25 °C in a solution of 0.30 M Na2S(aq). Ksp for Ag2S at 25 °C is 6.0x10–50The hardness of water (hardness count) is usually expressed in parts per million (by mass) of CaCO3. What is the molar concentration of Ca2+ ions in a water sample with a hardness count of 175mg CaCO3il? How many milliliters of concentrated sulfuric acid, 94.0% (w/w), specific gravity of 1.831 are required to prepare 1 liter of a 0.100 M solution? The solubility-product constant for Ce(IO3)3 is 3.2x1010. What is the Ce3+ concentration in a solution prepared by mixing 50.0 ml of 0.0250 M Ce3.. with 50.00 ml of water?
- Write the expression for the solubility-product constant for CaF2, and look up the corresponding Ksp value.The solubility product constant of silver arsenate is 1.0x10-23 (ksp) the molar slubiility of Ag3AsO4 is :A solution is prepared by combining 20.00ml of 0.150 molar Ba2+ and 25.00ml of 0.125 molar Cl- Using concentrations and volumes above, determine if a precipitate will form when these solutions are mixed at 25C. Provide a calculation to support your answer, keep in mind the system is not at standard state. Ba2+ (aq) -560.77 kJ/mol Delta Gfo Cl- (aq) -131.228 kJ/mol Delta Gfo BaCl2 -1296.32 kJ/mol Delta Gfo
- The solubility of Ag(I) in aqueous solutions containing dif-ferent concentrations of Cl is based on the following equilibria:Ag⁺(aq)+Cl⁻(aq)⇌AgCl(s) Kₛₚ=1.8X10⁻¹⁰ Ag⁺(aq)+2Cl⁻(aq)⇌AgCl₂⁻(s) K(f)=1.8X10⁻⁵ When solid AgCl is shaken with a solution containing Cl⁻, Ag(I)is present as both Ag⁺ and AgCl₂⁻. The solubility of AgCl is thesum of the concentrations of Ag and AgCl₂.(a) Show that [Ag⁺] in solution is given by[Ag⁺]=1.8X10⁻¹⁰/[Cl⁻]and that [AgCl₂⁻] in solution is given by [AgCl₂⁻](3.2X10⁻⁵)([Cl⁻] (b) Find the [Cl⁻] at which [Ag⁺][AgCl₂⁻].(c) Explain the shape of a plot of AgCl solubility vs. [Cl⁻].(d) Find the solubility of AgCl at the [Cl⁻] of part (b), which is the minimum solubility of AgCl in the presence of ClCalculate the molar solubility and solubility in g/L of gold(III) chloride (AuCl3, 303.33 g/mol) inpure water. Ksp = 3.2 x 10-25Write an appropriate expression for the solubility product of the sparingly soluble compound Ca(OH)2 Given the solubility product, Ksp, of Ca(OH)2 is 5.3x10-5M3 at 25oC, calculate its solubility at this temperature in Water 25 M CaCl2 solution