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> Zinc acetate can be prepared by adding[zinc](http://www.sciencemadness.org/smwiki/index.php/Zinc "Zinc")metal or[zinc oxide](http://www.sciencemadness.org/smwiki/index.php/Zinc_oxide "Zinc oxide")to[acetic acid](http://www.sciencemadness.org/smwiki/index.php/Acetic_acid "Acetic acid").
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> 2 CH3COOH + Zn → Zn(CH3COO)2+ H2
>
> 2 CH3COOH + ZnO → Zn(CH3COO)2+ H2O
>
> Vinegar can also be used as cheap source acetic acid. After all the zinc has dissolved, the solution is concentrated and cooled to crystallize solid zinc acetate dihydrate. If vinegar was used, organic residue from the vinegar will be trapped in the zinc acetate crystals. To remove the impurities, crush the resulting crystals and wash them thoroughly with an organic solvent. Multiple recrystallizations might be required to remove all the impurities.
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> If anhydrous zinc acetate is desired, you can dry the zinc acetate dihydrate by refluxing it with[toluene](http://www.sciencemadness.org/smwiki/index.php/Toluene "Toluene"), and using a[Dean-Stark apparatus](http://www.sciencemadness.org/smwiki/index.php/Dean-Stark_apparatus "Dean-Stark apparatus")to separate the water.
