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Tag : Kc

Determining Equilibrium Constant for Thiocyanatoiron

Objective Determine the equilibrium constant Kc for the chemical reaction: Fe3+(aq) + SCN–(aq) ß à FeSCN2+(aq) Procedure 0.0020M Fe(NO3)3 (ml) 0.0020M KSCN (ml) H2O (ml) 5 2 3 5 3 2 5 4 1 5 5 0 18 (0.2M) 2 0 (1)  Calibrate the colorimeter. (2)  Prepare five test tubes with the designated solutions: (3)  Measure each solution using the colorimeter and computer software. (4)  Record an observation of the solution temperature. (5)  Calculate the average equilibrium constant for the […]