A flowchart for this experiment is given below.
When you wash the organic layer with 10% sodium bicarbonate (NaHCO 3 ) what MUST you do?

Question

A flowchart for this experiment is given below.  
 When you wash the  organic  layer with 10% sodium bicarbonate (NaHCO 3 ) what  MUST  you do?

Answer

Make sure all the NaHCO 3  has reacted (CO 2  no longer evolving), have before placing this layer back into the separating funnel.

Answer

Never release the pressure in the separating funnel.

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