A general formula of an acid always start with an hydronium ion or H+. The general formula of an acid have to end with an anion. As acids, these compounds are named starting with the prefix "hydro-," then adding the first syllable of the anion, then the suffix "-ic."
It is acidic because it has the Carboxylic Acid.
It’s mass because the law of conservation of mass states that in a chemical reaction mass is neither created nor destroyed.
