Moless of solute per liter of solvent. See molarity.

To my utter surprise, this is indeed a PERFECT stub article, although someone unfamiliar with chemistry such as myself would probably incline to think the above is about everything that can be said on the topic. You can help Wikipedia by fixing this article. Here, let me open your appetite, maybe you can fill in some info: http://web.lemoyne.edu/~giunta/chm151L/vinegar.html --Gutza 01:10 24 Jul 2003 (UTC)