GOB Chemistry

Learn the toughest concepts covered in your GOB - General, Organic, and Biological Chemistry class with step-by-step video tutorials and practice problems.

BONUS: Lab Techniques and Procedures

Extraction

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Extraction involves the separation of a solid from a solution mixture by selective precipitation. 

Mixture Separation 

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Extraction

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separatory funnel is the commonly used instrument for extraction. In it, two liquid layers are used for the selective precipitation of a solid from the liquid phase based on difference in density and solubility. 

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The most common form of an extraction is an acid-base extraction, which uses the different acidities of compounds to selectively precipitate one compound over another. 

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Acid-Base Extraction

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