Determination of Equilibrium Constants

Determination of Equilibrium Constants

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Equilibrium constants are determined in order to quantify chemical equilibria. When an equilibrium constant is expressed as a concentration quotient, it is implied that the activity quotient is constant. In order for this assumption to be valid equilibrium constants should be determined in a medium of relatively high ionic strength. Where this is not possible, consideration should be given to possible activity variation. The equilibrium expression above is a function of the concentrations of the chemical species in equilibrium. The equilibrium constant value can be determined if any one of these concentrations can be measured. The general procedure is that the concentration in question is measured for a series of solutions with known analytical concentrations of the reactants. Typically, a titration is performed with one or more reactants in the titration vessel and one or more reactants in the burette. Knowing the analytical concentrations of reactants initially in the reaction vessel and in the burette, all analytical concentrations can be derived as a function of the volume of titrant added.show more

Product details

  • Paperback | 68 pages
  • 152 x 229 x 4mm | 113g
  • Cel Publishing
  • United States
  • English
  • 6136500582
  • 9786136500584