Posted by **larry** on Wednesday, February 7, 2007 at 7:15pm.

Can someone define the mole concept?

The mole is a number.

A dozen eggs is 12 eggs.

A gross of anything, pencils for example, is 144.

A ream, of paper for example, is 500 sheets.

A mole of anything is 6.02 x 10^23 of those anythings.

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