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m.p of crystallization of acetanilide and equivalent of pure acetanilide Greener

ID: 1041532 • Letter: M

Question

m.p of crystallization of acetanilide and equivalent of pure acetanilide

Greener Deganic Experiments Post-Lab Discussiorn Fill in the data table below: Substance Crude Pure Acetanlide Acetanilide acid Benzoic Mass (8) MW ?(g/ml) | 135.1? 135.17 Mmol Eqivalents n/a n/a Percent recovery of Acetanide Percent ece f Percent recovery of Acetanilide M.P. of Recryst'd. Acetanilide M.P. of Recryst'd. Benzoic nilide before and after recrystallization Discuss the purity of aceta melting points. Discuss the percent recovery after solvent for recrystallization? What is the fractio ba recrystallization I n of benzoic acid in the crude material? Assess the

Explanation / Answer

ANSWER:

= 6.21/12.35

= 0.50

Therefore, Equivalent of pure acetanilide is 0.50 euivalents to crude acetanilide. (or) in other words, only half of the crude acetanilide is obtained in pure form after crystallisation.