1 Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)  Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
Amoxicillin fights bacteria in the body. Clavulanate potassium is a form of clavulanic acid, which is similar to penicillin. Clavulanate potassium fights bacteria that is often resistant to penicillins and other antibiotics.
What It Is: Two hundred times sweeter than sugar, acesulfame potassium is a man-made, no-calorie sweetener. You can find it in tabletop packets as Sunett or Sweet One, or in sugar-free gum, light juices, and light ice cream.