Homework Help: Chem

Posted by Jason on Monday, October 13, 2008 at 8:52pm.

In the previous experiment, you recrystallized salicylic acid. If you were askedto take melting point of your crystals, would it be necessary to dry the salicylicacid crystals thoroughly first? What result would you expect from your melting
point determination if you did not dry your crystals?

This is my resoning:It would be important to dry the crystals. If any of the solutions used were wet, then some impurities might have been added by the water; therefore, the melting point would be lower in this case.

Chem - bobpursley, Monday, October 13, 2008 at 9:04pm
doesn't salicytic acid dissolve in warm or boiling water, so as you heat it up...
Chem - Jason, Monday, October 13, 2008 at 9:13pm
so it would be lower right?

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