Embedded Files
Think: what is left in the flask after the reaction, aside from product?
Think: what is left in the flask after the reaction, aside from product?
extract mit BME.mp4Add water to reaction
Rinse Flask with BME
Extract aqueous layer 2x 5mL BME
Screw-cap test tubes are good for extractions of small quantities. This quantity is not quite small enough.
The separatory funnel will work better for this amount of liquid
Wash with 2x 5mL NaOH solution
Wash with 5mL NaCl solution
wash with NaOH and NaCl.mp4Mass of empty flask: 28.817g
dry filter rotavap.mp4Dry, filter, and rotavap
Nice white powder at the end!
We will use this for Part C!
Record the mass of flask with product
Record the mass of flask with product
Calculate your percent yield
Discuss:
Where are some places you may have lost product?
If your yield is over 100%, what does this indicate?
Page updated
Report abuse