Homework Help: chemistry

Posted by smiley on Friday, August 10, 2007 at 6:17pm.

1. What are other methods of moisture determination besides oven drying?
2. During the drying of samples, the weight is considered constant when the last two weights are within ą 0.0003 grams. What is the reason for this?

For #1, here is a site for you to read.
http://www.accta.com/drying.html

For #2, could it have something to do with the sensitivity of your balance?

I really don't know, but what I know is that the balance has an uncertainty of ą0.0002 g.

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