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What developing solvent should we use for the TLC procedure? 1. acetone 2. 0.5% acetic acid in ethyl acetate 3. hexane Why do we use NaOH solution in the extraction procedure? 1. because NaOH Converts the acid into the carboxylate 2. because flourene is soluble in an aqueous NaOH solution 3. because we need to neutralize acetic acid in the sample

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