1. What ions can be found in a saturated solution of Caco? The saturated solution of...
What is the pH of a buffered solution saturated with hydrogen sulfide ([H2S] = 0.10 M) at 25°C if PbS (s) is precipitated, leaving [Pb2+] = 1.0 × 10–7 M, without precipitating any MnS (s)? The original solution is 0.030 M in both Pb2+ (aq) and Mn2+ (aq). Ksp = 8.0 × 10–28 M2 for PbS (s),Ksp = 2.5 × 10–13 M2 for MnS (s), andSelect one:a. 0.03b. 2c. 0.4d. 7
A saturated solution of calcium iodate contains 2.37 g/L of Ca(IO3)2. (a) What is the solubility of calcium iodate in mol/L? (b) What are the concentrations of Ca2+ and IO3 – ion, respectively, in the saturated solution? (c) Calculate the Ksp value for Ca(IO3)2. Part b ) Silver ion, Ag+ , readily forms complex ion, Ag(S2O3)2 3– , with thiosulfate, S2O3 2– , according to the following equation: Ag+ (aq) + 2S2O3 2– (aq) ⇌ Ag(S2O3)2 3– (aq); Kf =...
4. If more Br ions are added to a saturated PbBr2 solution, will the reaction shift? If so, which direction? Explain why or why not (4) PbBr2(s) = Pb2+(aq) + 2 Br(aq) 5. Write the expression for the solubility product, Ksp, of PbBr2. (2) Ksp =
1- A saturated solution of lead(II) iodide, PbI2 has an iodide concentration of 3.0*10^-3 mol/L. a- What is the molar solubility of PbI2? b- Determine the solubility constant, Ksp for lead (II) iodide. c- Does the molar solubility of lead(II) iodide increase, decrease or remain unchanged with the addition of potassium iodide to the solution? Explain? 2- The Ksp of Ca(OH)2 was 5.2*10^-6 and 4.8*10^-6 respectively. a- What is the average Ksp of Ca(OH)2?
1. The Molar Solubility of Ca(10), in Pure Water Temperature of the saturated solution of calcium iodate: Volume (or mass) of saturated calcium iodate solution titrated: 25 °C 10 ml (or g) Dat Trial 1 Trial 2 Trial 3 Volume of Na S o titrant Final buret reading Initial buret reading ml mL mL mL Net volume of Na So 26.621 mL 30.019 mL Calculated concentration of 10 Standardized 0.05 M sodium thiosulfate (Na,8,0,) solution (10,51(E) - TIL 10 mols.0.2...
1. The Molar Solubility of Ca(10), in Pure Water Temperature of the saturated solution of calcium iodate: Volume (or mass) of saturated calcium iodate solution titrated: 25 °C 10 ml (or g) Dat Trial 1 Trial 2 Trial 3 Volume of Na S o titrant Final buret reading Initial buret reading ml mL mL mL Net volume of Na So 26.621 mL 30.019 mL Calculated concentration of 10 Standardized 0.05 M sodium thiosulfate (Na,8,0,) solution (10,51(E) - TIL 10 mols.0.2...
17. Strontium fluoride (SrF,) is often used as an optical coating on lenses. Consider a saturated solution of SrF2 (Ksp = 4.33 x 10-at 25 °C): a. Write the chemical equation for the dissolution of strontium fluoride and the corresponding expression for Ksp (Remember to include the phase of matter--(s), (aq), (8), etc) b. How will the solubility equilibrium of SrF shift when Naf (aq) is added to a saturated solution of SrF2? Briefly explain your reasoning. C. How will...
a)A solution of saturated PbBr2 is found to contain 2.4 ✕ 10−2M bromide ion. Calculate the Ksp of PbBr2. b) A 40.0-mL solution contains 0.029 M barium chloride (BaCl2). What is the minimum concentration of sodium sulfate (Na2SO4) required in the solution to produce a barium sulfate (BaSO4) precipitate? The solubility product for barium sulfate is Ksp = 1.1 ✕ 10−10. c)The solubility product, Ksp, for magnesium hydroxide, Mg(OH)2, is 5.6 ✕ 10−12 at 25°C. What is the molar solubility...
"Hydroxyapatite, Cao(PO)(OH),, has a solubility constant of Ksp = 2.34 x 10-59, and dissociates according to Ca,(PO)(OH),(s) = 10 Ca2+ (aq) + 6 PO (aq) + 2OH(aq) Solid hydroxyapatite is dissolved in water to form a saturated solution. What is the concentration of Ca2+ in this solution if [OH-] is fixed at 6.50 x 10-M?
What is the water solubility of Baco; (Ksp - 2.6 x 10-9 in a solution containing 040 M CO, (aq)? Answer: Check