Calculate the percent yield for the E-4-phenylbut-3-en-2-one (benzalacetone) Please show and describe all calculations.

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Question: Calculate the percent yield for the E-4-phenylbut-3-en-2-one (benzalacetone) Please show and describe all calculations. Thank you
Preparation of E-4-phenylbut-3-en-2-one (benzalacetone)
Reaction:
CHO
NaOH
CH;COCH3
For experiment i used:
- 8.0 ml of benzaldehyde
- 16 ml of acetone
- 2ml(2.5 M)aqueous sodium hydroxide
- At the end of this time, add dilute hydrochloric acid slowly until the
solution is just acid to litmus and transfer the mixture to a separatory
funnel, rinsing the conical flask with 15 ml ether.
- wash with 15 mL water and dry them over MgSO4
- Filter the solution, washing the desiccant with 5 mL ether
Note: I collected 4.13 grams of E-4-phenylbut-3-en-2-one
(benzalacetone) at the end of this experiment.
Experimental Calculations:
Question: Calculate the percent yield for the E-4-phenylbut-3-
en-2-one (benzalacetone)
Transcribed Image Text:Preparation of E-4-phenylbut-3-en-2-one (benzalacetone) Reaction: CHO NaOH CH;COCH3 For experiment i used: - 8.0 ml of benzaldehyde - 16 ml of acetone - 2ml(2.5 M)aqueous sodium hydroxide - At the end of this time, add dilute hydrochloric acid slowly until the solution is just acid to litmus and transfer the mixture to a separatory funnel, rinsing the conical flask with 15 ml ether. - wash with 15 mL water and dry them over MgSO4 - Filter the solution, washing the desiccant with 5 mL ether Note: I collected 4.13 grams of E-4-phenylbut-3-en-2-one (benzalacetone) at the end of this experiment. Experimental Calculations: Question: Calculate the percent yield for the E-4-phenylbut-3- en-2-one (benzalacetone)
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