Madison McVeyCHEM 237 – 549September 15, 2016Recrystallization Lab Report Results: The original mass of the impure Acetanilide was 1.575 g. The mass of the acetanilide recovered was equivalent to 0.422 g. A melting point range of 115.3-117.8 °C was found. The known melting point of pure acetanilide is 114.3 °C. Using these values, a percent error of 2.012% and percent recovery of 26.794% was found.Discussion: Recrystallization can be performed to purify impure samples of a solid compound, where the impurities are dissolved from the sample. This process is doneby dissolving an impure solid compound in boiling water and heating a Buchner funnel to assemble a vacuum filtration apparatus. The purified solution was cooled and placed in an ice bath to induce the crystallization process. The bottom of the beaker of my experiment had to be scratched to induce the crystallization process, because after 20 minutes of cooling, no crystals had precipitated. The crystallized solution was then filtered again to isolate the pure acetanilide. The pure sample was wrapped in filter paper and left to dry for one week’s time. The following week, the samples were recovered and a melting point test performed to aid in the determination of the experiment’s success.When the data from the melting point procedure was analyzed and comparedto the known value, the experiment proved successful. The range obtained is very close to the actual range of the pure acetanilide. The diversion between values identified can be accounted though the possibility of impurities still being present inthe “purified” sample and/or because the production of the crystals was induced. When observing the experiment, there were solids still present in the dissolved solution and when the solution was filtered. Overall, the results obtained prove the ability of recrystallization to be a process of purifying solid