February 21, 2017

Homework Help: lab directions

Posted by lon on Thursday, September 8, 2011 at 9:16pm.

i have to do a lab on finding the melting point , but i do not understand these instructions : for the known sample raise the temp until it is within 10 to 20 C of known value, and then lower the rate of heating to 2-3 C per minute
please explain with the temperature of 120 C

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