Experiment 3 Equilibrium Constants

Experiment 3 Equilibrium Constants - Matt Ditkoff Hannah...

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Matt Ditkoff Hannah Ayers Sara Vadlamannati CHM 114 section 5 Equilibrium Constants 2/19/08
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Purpose of Experiment: The purpose of this experiment is to find the equilibrium constant of the reaction. We also wanted to find the absorbance values of the reaction as the concentration of the chemicals increased. We also wanted to find the equilibrium concentrations. Experimental Procedure: The first thing we did was we set up the colorimeter and calibrated it with water. Then we took 6 test tubes and put in each 20 drops of .2M Fe(NO3)3. Then in the first test tube we put in 60 drops of nitric acid. Then in the second test tube we put in 2 drops of NaSCN and 58 drops of nitric acid. In the third test tube we put in 4 drops of NaSCN and 56 drops of nitric acid. In the forth test tube we put in 6 drops of NaSCN and 54 drops of nitric acid. In the fifth test tube we put in 8 drops of NaSCN and 52 drops of nitric acid. In the sixth one we put in 10 drops of NaSCN and 50 drops of nitric acid. Then we poured each test tube into a curvette and ran it through the colorimeter and recorded the absorbance. Then we took 6 more test tubes and put 40 drops of .002M Fe(NO3)3. In the first one we then put 40 drops of nitric acid. In the second one we put
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This note was uploaded on 04/09/2008 for the course CHM 114 taught by Professor Geldhart during the Spring '08 term at Rhode Island.

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Experiment 3 Equilibrium Constants - Matt Ditkoff Hannah...

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