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Identification of an unknown solid by melting point

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Issue:

Miscellaneous

 

Written by:

Todd M

 

Date added:

October 26, 2013

 

Level:

University

 

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No of pages / words:

2 / 506

 

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7571 times

 

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Essay content:

Melting point of mixture (Unknown + Benzil) Temperature (??C) 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 and broadened)...
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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 and broadened). So, In part A, melting point of benzoic acid was observed in range 122 to 125 ?¬C...
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