CHEM Help please Thanks

8) Explain exactly how you would perform the following laboratory instructions:
-a) “Wash the organic layer with 5.0 mL of 1 M aqueous sodium bicarbonate.”
-b) “Extract the aqueous layer three times with 2 mL portions of methylene chloride.”

10) What should you do if there is some question about which layer is the organic one during an extraction procedure?

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  1. You must have something in your lab manual or notes about this. I don't understand what you don't understand about this.

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