Explain continuous extraction with the help of a suitable diagram. Which factors govern the efficiency of such extractions?

Continuous extraction, also known as continuous liquid-liquid extraction or continuous countercurrent extraction, is a method used in analytical chemistry to separate components from a mixture based on their differential solubility in two immiscible solvents. It involves passing the mixture continuously through a series of extraction stages, allowing for efficient separation. A suitable diagram can help illustrate this process.

Diagram:
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