Copyright Ó 2000 Douglass F. Taber

 

Name:________________ Section:__________________ Date:____________


CHAPTER 4: EXTRACTION

Data Report Sheet

Unknown #:


A. Determination of distribution coefficient (macroscale):

<>Standardization of NaOH solution<>

Starting weight of benzoic acid:

Molarity of benzoic acid solution:

Milliliters of NaOH solution (average):

Molarity of NaOH solution:

<>Titration of aqueous layer from single extraction<>

Milliliters of NaOH for aqueous layer:

Millimoles of benzoic acid left in aqueous layer:

Millimoles of benzoic acid in CH2Cl2 layer:

Calculated Kd:

<>Multiple extractions<>

Milliliters of NaOH for aqueous layer:

Millimoles of benzoic acid left in aqueous layer:

Millimoles of benzoic acid in CH2Cl2 layer:

Calculated millimoles of benzoic acid in CH2Cl2 layer based on Kd:

B. Separation of acid, basic and neutral compounds (macroscale or microscale):

Unknown #:

<> Acidic component<>

Present (Y/N):

Weight:

m.p. range:

What is it?

<> Basic component<>

Present (Y/N):

Weight:

m.p. range:

What is it?

<> Neutral component<>

Present (Y/N):

Weight:

m.p. range:

What is it?