Naproxen (naproxen sodium) In gel or creme. Molar mass is a mass of full naproxen molecule (with hydrogen). https://pubchem.ncbi.nlm.nih.gov/compound/Naproxen-sodium https://pubchem.ncbi.nlm.nih.gov/compound/Naproxen Active electrodeNegative Valence1 Molar mass230.26g/mol Search Search Tools Forums Contact GitHub download Arduino Project Hub YT channel Download Menu użytkownika Log in