please dont provide handwriying solution.... 3. A magnesium-lead alloy of mass 10 kg consists of a solid a phase that has a composition that isjust slightly below the solubility limit at 200°C. (a) What mass of lead is in the alloy? (b) If thealloy is heated to 350°C how much more lead may be dissolved in the a phase withoutexceeding the solubility limit of this phase?

In the Mg-Pb phase diagram, the intersection of the isotherm at 200oC and the solubility limit…

Answered: 3. A magnesium-lead alloy of mass 10 kg…

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter18: Chemical Equilibrium

Section: Chapter Questions

Problem 3E

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Figure 16.3 shows the solubility of AgNO3 in water inunits of moles of AgNO3 per kilogram of H2O. If 255 g of AgNO3 is added to 100 g of water at 95°C and cooledslowly, at what temperature will the solution becomesaturated?
136 mL of 0.00015 M Pb(NO3)2 and 234 mL of 0.00028 M Na2SO4 (volumes are additive). Will a percipitate form? Hint: each solution dilutes the other upon mixing.
(a) If the molar solubility of Mg3(PO4)2 at 25 oC is 6.26e-06 mol/L, what is the Ksp at this temperature?Ksp = (b) It is found that 0.00336 g of Ag2C2O4 dissolves per 100 mL of aqueous solution at 25 oC. Calculate the solubility-product constant for Ag2C2O4.Ksp = (c) The Ksp of Sc(OH)3 at 25 oC is 2.22e-31. What is the molar solubility of Sc(OH)3?solubility = mol/L
25. Which of the following has maximum solubility at low pH? (a) NH,CI (c) Na,PO4 (b) NaCl (d) Sr(OH),
(a) If the molar solubility of YF3 at 25 °C is 4.23e-06 mol/L, what is the Ksp at this temperature? Ksp = (b) It is found that 0.00100 g of BaCO3 dissolves per 100 mL of aqueous solution at 25 °C. Calculate the solubility-product constant for BaCO3. Ksp = (c) The Ksp of ZnCO3 at 25 °C is 1.46e-10. What is the molar solubility of ZnCO3? solubility = mol/L
Lead(II) carbonate, PbCO3, is one of the components of thepassivating layer that forms inside lead pipes. (a) If the Kspfor PbCO3 is 7.4 x 10 - 14 what is the molarity of Pb2+ ina saturated solution of lead(II) carbonate? (b) What is theconcentration in ppb of Pb2+ ions in a saturated solution?(c) Will the solubility of PbCO3 increase or decrease as thepH is lowered? (d) The EPA threshold for acceptable levelsof lead ions in water is 15 ppb. Does a saturated solution oflead(II) carbonate produce a solution that exceeds the EPAlimit?
The following graphs represent the behavior of BaCO3 underdifferent circumstances. In each case, the vertical axisindicates the solubility of the BaCO3 and the horizontalaxis represents the concentration of some other reagent.(a) Which graph represents what happens to the solubilityof BaCO3 as HNO3 is added? (b) Which graph representswhat happens to the BaCO3 solubility as Na2CO3 is added?(c) Which represents what happens to the BaCO3 solubilityas NaNO3 is added? [
14. Describe the solubility behavior of each of the following compounds: (a) Proline (an amino acid) (b) Aniline (c)Chlorocyclopentane
What mass of lead (II) chloride, PbCl2, (K = 1.70 x 10-5, M.M. = %3D 278.1 g/mol), will dissolve in 275 mL of 0.659 M Pb(N03)2?
In the gravimetric determination of sulfate in a 0.5613 g sample of pure NazSO4, a BaSO. precipitate weighing 0.4309 g was obtained. The weight of the precipitate was smaller than the theoretical one. since some BaSO& was converted to Bas during the heating process. (a) Calculate the percent of Bas in the precipitate (Hint: best to solve algebraically) (b) Calculate the percent error of the analysis (Hint: compare calculated with weight stated in problem).
Q.2 The molar solubility for Mg3(P04), is 3.5 × 10“M. Calculate the Ksp of Mg:(PO4)2 for the reaction: 3- Mg3(PO4)2 (s) = 3 Mg²*(aq) + 2PO," (aq) The K, expression is: Kgg = [Mg²* j³ [PO_² j²
(13) What is the molar solubility of thallium (III) hydroxide in pure water at 25°C? The ionic species formed upon dissociation are TI+ (ag) and OH (ag). The Ke of thallium (11) hydroxide at this temperature is 1.68 x 10. to) (A) (B) (C) (D) (E) 4.99 x 1012 M 116.9 1.30 x 1022 M 2.85 x 1016 M 66.8 2i en boitellab (HO)M 4.20 x 1045M alnoitibn 1.14 x 1011 M 95.7 58 (A) en w outemsqmat oni ns (8)

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