TECH 0705 Results: Seperating Acids and Neutral Compunds by Solvent Extraction

Results
SET 1:  
Weight Before Extraction
p-Toluic Acid-0.513g
Acetanilde-0.256g
p-Tertbutylphenol-0.517g

Weight After Extraction
p-Toluic Acid-0.760g
p-Tertbutyl phenol-0.149g


                                 Expected Melting Point            Experimental Melting Point      
p-Toluic Acid                           180-182                                      174-180

p-Tertbutylphenol                    98-101                                        91-98

SET 2:  

Weight of initial acetanilide: 0.25606 g
Weight of initial p-toluic acid: 0.6079 g
Weight of initial p-tert-butylphenol: 0.5547 g 
Mass of filter paper to filter out p-toluic acid: 0.013 g
Mass of test tube used to collect p-toluic acid: 7.934 g
Mass of filter paper to filter out p-tert-butylphenol: 0.006 g
Mass of test tube used to collect p-tert-butylphenol: 7.986 g
Mass of large test tube used to collect acetanilide: 38.7405 g
Weight of p-toluic recovery and test tube: 8.507 g
Weight of p-tert-butylphenol recovery and test tube: 8.172 g
Weight of acetanilide recovery and test tube: 39.141 g
Melting range of p-tert-buyltphenol: 82-89 C.
Melting range of p-toluic acid: 179-185 C. 

 

 SET 3:
Mass of the acetanilide: 0.31 g.
Mass of  the p-toluic acid: 0.57 g.
Mass of the p=tert-butylphenol:  0.45 g.

Isolating P-toluic Acid:
Mass of the filter paper: 0.0061 g.
Mass of dry p-toluic acid, test tube and filter paper: 5.476 g.
Mass of recovered p toluic acid:  0.084 g.
Measured melting point of p- toluic acid:  179.3-180.2 degrees Celsius
Actual melting point of p-toulic acid:  180-182 degrees Celsius

Isolating p-tert-butylphenol:
Mass of the filter paper: 0.0066 g.
Mass of the empty test tube: 5.324 g.
Mass of the dry p-tert-butylphenol, test tube, and filter paper: 5.64 g.
Mass of collected p-tert butylphenol: 0.3094 g.
Measured melting point of p-tert-butylphenol: 98.1 degrees Celsius
Actual melting point of p-tert-butylphenol:  98-101 degrees Celsius

Isolating Acetanilide
Mass of anhydrous Na₂SO_{4:  1.003 g
Mass of 100 mL test tube: 5.288g.
Mass of dry acetinilide and test tube:  5.43 g.
Mass of recovered acetinilide: 0.142 g.
Measured melting point of acetanilide:  88.9 degrees Celsius
Actual melting point of acetinilide: 113-115 degrees Celsius}