¥°. Summary of Results
A. Melting point of Benzoic Acid
Temperature (¡ÆC) Observation
Unmelted White salt
First liquid appear point 122 Grainy and shiny white
Becoming all liquid 125 Clear
B. Melting point of unknown #42
1st trial
Temperature (¡ÆC) Observation
Unmelted Shiny light yellow crystal
First liquid appear point 99 Grainy yellow
Becoming all liquid 101 Clear
2nd trial
Temperature (¡ÆC) Observation
Unmelted Shiny light yellow crystal
First liquid appear point 95 Grainy yellow
Becoming all liquid 97 Clear
C. Melting point of mixture (Unknown + Benzil)
Temperature (¡ÆC) Observation
Unmelted Shiny light yellow crystal
First liquid appear point 95 Grainy yellow
Becoming all liquid 97 Clear
¥±. Discussion of results
Assessment of sample purity for a known substance. By comparing observed range for an actual sample to the known range for a pure sample, I can tell whether my actual sample is pure or contaminated (the range is depressed......

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Title: Identification Of An Unknown Solid By Melting Point
Approximate Word Count: 465
Approximate Pages: 2 (250 words per double-spaced page)

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