4. An experiment similar to the one described in this module was performed to determine the solubility and solubility product constant of lead(ll) chloride (gmm = 278.10). The equilibrium involved is PbCl2(s) Pb2+ (aq)+2 CI¯(aq) The dissolved chloride in the filtered solution was quantitatively precipitated as AgCl by the addition of excess AgNO, solution. The solid AgCl was filtered from solution, dried, and weighed. The following data were obtained for three samples of the filtered, saturated solution. determination 1 temperature of solution, °C volume of PbCl2 solution analyzed, mL mass of dry AgCI, g 20.2 20.4 20.1 25.00 22.00 20.10 0.2543 0.2276 0.2051 Calculate the following: number of moles of: AgCl(s) Cl- (aq) Pb2*(aq) (CI"] in PbCl2 solution, M [Pb2+1 in PbCl2 solution, M Ksp average Ksp solubility of P6C12, in g per 100 mL chemistry handbook value for solubility at 20°, g per 100 mL

4. An experiment similar to the one described in this module was performed to determine the solubility and solubility product constant of lead(ll) chloride (gmm = 278.10). The equilibrium involved is PbCl2(s) Pb2+ (aq)+2 CI¯(aq) The dissolved chloride in the filtered solution was quantitatively precipitated as AgCl by the addition of excess AgNO, solution. The solid AgCl was filtered from solution, dried, and weighed. The following data were obtained for three samples of the filtered, saturated solution. determination 1 temperature of solution, °C volume of PbCl2 solution analyzed, mL mass of dry AgCI, g 20.2 20.4 20.1 25.00 22.00 20.10 0.2543 0.2276 0.2051 Calculate the following: number of moles of: AgCl(s) Cl- (aq) Pb2*(aq) (CI"] in PbCl2 solution, M [Pb2+1 in PbCl2 solution, M Ksp average Ksp solubility of P6C12, in g per 100 mL chemistry handbook value for solubility at 20°, g per 100 mL

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter13: Titrations In Analytical Chemistry

Section: Chapter Questions

Problem 13.5QAP

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