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Extraction lab report

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Instructions for Extraction lab report:
• You must have an introduction stating the purpose of the experiment.
Cite any sources used even if it is the handout provided for the experiment.
Do not plagiarize but summarize in your own words.
• YOU MUST LIST THE STEPS/ PROCEDURES FROM THE VIDEO LISTED BELOW.
LIST YOUR OWN EXPERIMENTAL PROCEDURES AS STEPS steps 1, 2, 3, etc.
https://youtu.be/U9bGTUnfbOU
• Calculate percent recovery for each component in the mixture using the data provided below.
• IDENTIFY THE COMPONENTS OF THE UNKNOWN BASED ON THE DATA BELOW.
• MENTION ANY SOURCES OF ERRORS THAT CAN ACCOUNT FOR LOW PERCENT RECOVERY, INACCURATE MELTING POINT.
• CRETATE A FLOWCHART ON HOW YOU WOULD SEPARATE THE FOLLOWING COMPOUNDS IN A MIXTURE VIA EXTRACTION. USE THE CONCEPT OF ACID BASE REACTIONS MENTIONED IN THE HANDOUT AND VIDEOS.
The mixture contains aniline, phenol, biphenyl, and benzoic acid. You must look for the chemical structures for these compounds to identify functional groups that can be used in acid-base extraction.

Data:
Unknown #23
Mass of sample before extraction = 3.52 grams
Physical appearance: yellow powder
Mass of organic acid: 3.65 g
Mass of neutral: 0.500 g
Melting point of organic acid: 110 – 120
Melting point of neutral: 73 – 75

Table of reagents to identify Unknown
Name Melting Point

Anthracene 214-216
Biphenyl 69-72
Phenacetin 134-136
o-nitrobenzoic acid 146 – 148
p-toluic acid 179 – 182
Salicylic acid 159 – 161
Benzoic acid 121.5 – 123
Phenanthrene 99 – 101
durene 79-81
fluorene 116-118

 

 

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