Equilibrium Constant

Equilibrium Constant - Equilibrium Constant Name Colin Van...

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Equilibrium Constant Name: Colin Van Es Instructor: Greg Bullock Partner: Cana Osborne Date submitted: February 21, 2008 CHEM 1126 BB Objective: to determine the equilibrium constant for the reaction between Iron (III) and thiocyanate ion in aqueous solution at room temperature Procedure: The 5 regular test tubes were taken and labeled 1-5. 30 mL of 2.00 mM Fe(NO 3 ) 3 in 1 M H(NO 3 ) into a dry 100 mL beaker. Then 5.00 mL of the solution from step 2 was placed into each test tube. Then 20 mL of 2.00 mM KSCN into another dry 100 mL beaker. Then KSCN was added to each test tube, the amount was equal to the number on the bottle (1 mL to #1, 2 mL to #2, etc.). Using the 10 mL graduated cylinder and water, the total level in each test tube was brought to 10 mL. Then it was stirred left to stand for a few minutes. These were then measured at 447 nm in the spectrophotometer. A calibration curve was made and the concentration was determined. Experimental Data and Results:
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This note was uploaded on 04/07/2008 for the course CHEM 1124 taught by Professor Mohan during the Fall '07 term at Seton Hall.

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Equilibrium Constant - Equilibrium Constant Name Colin Van...

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