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In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoCl42-. Co2+(aq) is pink and CoCl42-(aq) is blue. 1. is the reaction exothermic or endothermic. 2. when temp is decreased the Equil constant? increases decreases/stays the same. 3. When the temp decreases the Equil constant of CoCl4? increases/decreases/stays the same

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