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.
potassium chloride-salt of potassium (KCl) (trade names K-Dur 20, Kaochlor and K-lor and Klorvess and K-lyte); taken in tablet form to treat potassium deficiency. Kaochlor, K-Dur 20, K-lor, Klorvess, K-lyte, potash muriate, potassium muriate.