This is acetic acid, a weak organic carboxylic acid often found in vinegar.
Carboxyl Group (-COOH): A functional group consisting of a carbonyl and hydroxyl group. It gives acetic acid its acidic properties.
Organic Chemistry: The study of compounds containing carbon atoms, including acetic acid.
An acid that does not completely dissociate into its ions in solution. Acetic Acid is an example of this type.