Spectrophotometry

DATES PERFORMED: JANUARY 04, 2011

SPECTROPHOTOMETRY

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ABSTRACT

Spectroscopy was used to solve for the unknown concentration of the building complex intersection, [Fe(SCN)]2+ and the residual constant of the reaction by development the Beer-Lamberts Law. Plotting of the absorbance the concentration of the complex product [Fe(SCN)]2+ used in the warning solutions, a best fit line was obtained with an equation of y=4952x 0.085. With this, the concentrations of the complex product in the unknown solutions were solved exploitation their given absorbance values. For the unknown concentrations of the reactants at equilibrium, the obtained concentration of the complex product was subtracted from the reactants initial concentration to obtain the reactants equilibrium concentration. The whole assist was done on the other unknown solutions. The average Keq was alike calculated giving off a value of 163.6 and a percent difference of 12.08% with respect to the literature value of 146.

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INTRODUCTION

seeable fairylike is the the light that can be perceived by the human eye.



As it travels, it is colorless, thus the name, white light. As it hits an object, slightly of the light is absorbed and some are reflected. Absorption happens when the molecules of an captivating specie have high molar absorptivity, which absorbs light salubrious and the color that we see is dark. On the other hand, reflection happens when light passes through an absorbing specie which contains many free electrons. These electrons does not absorb push, they merely vibrate and send back the energy out of the object as a light wave. In this, light wave does not penetrate deeply into the object.

The equilibrium constant of a reaction can be obtained using different methods. One method that was also used in this experiment was...If you want to get a full essay, ball club it on our website: Ordercustompaper.com



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