Consider the reversible dissolution of lead(II) chloride.   PbCl2(s)−⇀↽−Pb2+(aq)+2Cl−(aq)PbClX2(s)↽−−⇀PbX2+(aq)+2ClX−(aq)   Suppose you add 0.2493 g of  PbCl2(s)PbClX2(s)  to 50.0 mL of water. When the solution reaches equilibrium, you find that the concentration of  Pb2+(aq)PbX2+(aq)  is 0.0159 M and the concentration of  Cl−(aq)ClX−(aq)  is 0.0318 M.   What is the value of the equilibrium constant, Kc, for the dissolution of   PbCl2PbClX2 ?

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
Section: Chapter Questions
Problem 90QAP: Consider a metal ion A2+ and its nitrate salt, In an experiment, 35.00 mL of a 0.217 M solution of...
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Consider the reversible dissolution of lead(II) chloride.

 

PbCl2(s)−⇀↽−Pb2+(aq)+2Cl−(aq)PbClX2(s)↽−−⇀PbX2+(aq)+2ClX−(aq)

 

Suppose you add 0.2493 g of 

PbCl2(s)PbClX2(s)

 to 50.0 mL of water. When the solution reaches equilibrium, you find that the concentration of 

Pb2+(aq)PbX2+(aq)

 is 0.0159 M and the concentration of 

Cl−(aq)ClX−(aq)

 is 0.0318 M.

 

What is the value of the equilibrium constant, Kc, for the dissolution of  

PbCl2PbClX2

?

 

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