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.
Citrus Fruits. Citrus fruits contain high levels of potassium. One cup of orange juice contains 496mg potassium, a cup of orange pieces contains 326mg potassium, and a single orange contains 237mg potassium. One half of a white grapefruit contains 175mg potassium; one half of a pink or red grapefruit contains 166mg potassium.