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June 30, 2015

Homework Help: Chemistry

Posted by Christine on Tuesday, September 1, 2009 at 1:18pm.

student perform 2 melting point determinations on a crystalline product. In one determination, the tube contained a sample 1 - 2 mm in height, and the melting point was 141 - 142 C. In the second determination, the sample hight was 4 - 5 mm and the melting range was 141 - 145 C. Explain what may have caused the broader range in the second determination. (The actual melting point is reported to be 143 C.)

This is my reasoning but I don't know if it is correct. The broader melting range is observed in the second one because the sample of the height was greater.

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