Answer Only Which of the following is not necessary for a vacuum filtration setup? buchner funnel clamp filter paper side-arm flask iron stand volumetric flask ————— Which of the following is not necessary for caffeine extraction? dichloromethane separatory funnel sulfuric acid clamp sodium carbonate hot plate ——————— Predict the color change if 1% ferric chloride (yellowish solution) is added to a test tube containing a mixture of ethanol and technical grade reagent acetyl salicylic acid. purple to yellow yellow to dark blue light blue to pink yellow to light purple no color change —————— True or False? Solutes tend to be more soluble in cold solvents than they are in hot liquids. True False

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