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Determination of the equilibrium constant for the iodine + iodide triiodide reaction as a function of concentration.

Determination of the equilibrium constant for the iodine + iodide →triiodide reaction as a function of concentration. Calculate the concentrations of iodine ([I2 ]0) and iodide ([I-]0) that would result from the dilutions if a reaction did not occur. Using the absorption measurement for triiodide (A) and its extinction coefficient, calculate the triiodide concentration ([I3-]) that results from achievement of equilibrium, them calculate the final concentrations of iodine ([I2]) and iodide ([I-]) bysubtraction. Finally, calculate the value of the equilibrium constant (Keq)

v (I2)V (KI)V (h2o)[I2] M[I-] MAT (celcius)I3 MI2 MI- M211.50523.3121.32123.5112.24922.2310.68222.4130.32221.9
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