Consider the equilibrium shown. PbBr (s)Pb2 (aq) +2 Br (aq) Kp 2.10 x 10-6 Determine the...
Consider the equilibrium shown. PbBr_(s) = Pb2 + (aq) + 2 Br" (aq) Kop = 2.10 x 10-6 Determine the concentrations of Pb2+ and Br" in a saturated solution of PbBr, in pure water (assume = 0M). [Pb2+1 = 0.00806 M [Br") = 0.01612 Determine the concentrations of Pb2+ and Br" in a saturated solution of PbBr, in a solution with an ionic strength of 0.010 M [Pb2+] = 0.010 [Br") = 0.02 Determine the concentrations of Pb²+ and Br"...
Hint Check Answe estion 29 of 32 > Consider the equilibrium shown. PbBr(s) = Pb2+ (aq) + 2 Br" (aq) Kyp = 2.10 x 10-6 Determine the concentrations of Pb2+ and Brin a saturated solution of PbBr, in pure water (assume u = 0 M). (PB2+1 = M [B") = Determine the concentrations of Pb2+ and Br“ in a saturated solution of PbBr, in a solution with an ionic strength of 0.010 M [Pb2+) = B- Determine the concentrations of...
The Kp of PbBr, is 6.60 x 10 What is the molar solubility of PbBr, in pure water? molar solubility: м What is the molar solubility of PbBr, in 0.500 M KBr solution? molar solubility: M What is the molar solubility of PbBr, in a 0.500 M Pb(NO,) solution? molar solubility: м
Consider the dissolution equation of lead(II) chloride. PbCl2 (s) Pb2+ (aq) + 2 C1- (aq) Suppose you add 0.2331 g of PbCl2(s) to 50.0 mL of water. In the resulting saturated solution, you find that the concentration of Pb2+ (aq) is 0.0159 M and the concentration of Cl - (aq) is 0.0318 M. What is the value of the equilibrium constant, Ksp, for the dissolution of PbCl2? Answer:
4. If more Br ions are added to a saturated PbBr solution, will the reaction shift? If so, which direction? Explain why or why not (4) PbBry(s) Pb2+ (aq) + 2 Brjag) 5. Write the expression for the solubility product, Kp. of PbBr2 (2) 3. Use the provided experimental data to calculate the equilibrium constant, K, for the reaction given below. Note the stoichiometry is not all 1 to 1. (7) Include the units for K Collaq) + 2SCN (aq)...
3. Determine the activity of 0.1 M H2S04 given that y+0.265. What will happen as the mearn activity coefficient approaches 1? 5P 4. Calculate and compare ionic strength: 0.10 M KCL(aq) vs. 0.20 M in CuS0 SP 5. Calculate the mean activity coefficient of 0.2M MgC2. What does your obtained value mean for the actual concentrations of ions in solution? 10P 6. Calculate the solubility of the slightly water soluble salt AgBr(s) at an ionic strength of 0.1M. Compare your...
help 2. (4) Given: PbSO4(e)Pb2 (aq) + SO42 (aq) Calculate the equilibrium constant, if AGt for PbSO4(s) is-811 Kj/mole; for Pb2+ (aq) is 24.3 Kj/mole and for SO42 (ag) is -742 Kj/mole. Calculate the solubility of PbSO4, if the pH of the solution is 4.32 and the [NaHSO4] is 0.10 M. Ka for HSO4 1.02 x 10-2 1. (6) From this week's experiment, what would you expect the signs on ΔΗΡ and So for the observed reaction, Na2B O(OH)8 H2o...
all 5&6 5.) Solid silver bromide , AgBr, can be dissolved by adding concentrated aqueous ammonia to give the water- soluble silver-ammonia complex ion. AgBr(s) + 2NH,(aq) U Ag(NH), (aq) + Br(aq) (a) Show that this equation is the sum of two other equations, one representing the dissolution of AgBr into its component ions and the other representing the formation of the silver-ammonium complex from silver ion and ammonia (b) Calculate the equilibrium constant for the above reaction K,(AgBr) =...
6 6. Zinc hydroxide, Zn(OH)2. is practically insoluble in pure water. (Kap 3.0 x 10-16) a) Determine the pH of a saturated aqueous solution of Zn(O1H)2. (You should assume that all hydroxide ions in the solution come from the Zn(OH)2: you can ignore the autoionization of water.) (4 pts) b) Zn(OH)2 is less soluble in even very dilute solutions of Zn(NOs)2 due to the common ion effect. Determine the molar solubility of zine hydroxide in a 1.0 x 10-4 M...
Experiment 8 Solubility of lonic Precipitates Lead chloride is a slightly soluble salt. When lead chloride dissolves in pure water or an aqueous solution, the small quantity that dissolves completely ionizes and reaches equilibrium in a saturated solution, PbCl(s) ® Pb (aq) + 2Cl(aq) Kp = [Pb (C) (1) Lets be the molar solubility of lead chloride. In pure water, s = [Pb ) = (CH) / 2. In a solution containing Cl, a common ion to lead chloride, s...