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Experiment 19, Equilibrium Constants and LeChatelier's Principle: CoCl2

Purposed topic: Equilibrium

Objective: To determine whether or not LeChatelier's principle is consistent

List of factors that will be used for testing


 * 1. Addition of water


 * 2. Addition and removal of Chloride


 * 3. Changes in temperature

Brief Background Information


 * Cobalt chloride in water is a well-known equilibrium system because two spices in which containing the same amount of cobalt can have different colours


 * The equilibrium expression for this system is


 * [Co(H2O)6]2+(aq) + 4Cl-(aq) ↔ [CoCl4]2-(aq) + 6H2O(l)







Experimental Procedures

Pictures

ps. When the experiment conducts, the source of pictures will come from 13MP Samsung Note 3 camera, d/m/y, by Dulyarat Sathainthammanee(D.S.).

References