A _____________ acid can only donate one proton (hydrogen ion) per molecule. Acid-Base Theories A _____________ acid can only donate one proton (hydrogen ion) per molecule. Answer: monoprotic Learn More : Acid-Base TheoriesA _____ acid can donate more than one proton per molecule.All Arrhenius acids are also Bronsted-Lowry acids, because H+ ions are ___________.________ definitions rely on water being the solvent. Share this Share on FacebookTweet on TwitterPlus on Google+ Learn More Multiple Choice Question :A _____ acid can donate more than one proton per molecule.________ definitions rely on water being the solvent.A _____________ acid can only donate one proton (hydrogen ion) per molecule.All Arrhenius acids are also Bronsted-Lowry acids, because H+ ions are ___________.