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11 Nov 2019
What is the purpose of recrystallization? At room temperature what types of solid organic compounds are soluble in water, insoluble? Give specific examples of each with structures. Why is gravity unnecessary in this experiment? You have allowed your solution to cool in an ice bath, and no crystals have formed. Assuming the solution is supersaturated, what can you do to get the crystals out of solution at this point? The solubility of a compound is 8.4 g per 100 mL in boiling water, 1.9 g per 100 mL in cold water, whereas its solubility in ethanol is 13.8 g per 100 mL at 78 degree C and 4.2 g per 100 mL at 2 degree C. Which solvent would be better for the recrystallization of the compound? Explain.
What is the purpose of recrystallization? At room temperature what types of solid organic compounds are soluble in water, insoluble? Give specific examples of each with structures. Why is gravity unnecessary in this experiment? You have allowed your solution to cool in an ice bath, and no crystals have formed. Assuming the solution is supersaturated, what can you do to get the crystals out of solution at this point? The solubility of a compound is 8.4 g per 100 mL in boiling water, 1.9 g per 100 mL in cold water, whereas its solubility in ethanol is 13.8 g per 100 mL at 78 degree C and 4.2 g per 100 mL at 2 degree C. Which solvent would be better for the recrystallization of the compound? Explain.
Reid WolffLv2
6 Nov 2019