Acid and bases Did you learn the difference beetween acids and bases. What is pH, solutions and oxoniumm ion. klauncica published on November 24, 2015 Stacked 1/5 Acid is: proton donor proton acceptor proton disliker 2/5 solution is: Heterogeneous mixture elementary partical homogeneous mixture 3/5 Formula for oxonium ion is: H3O+ H2O H2O+ 4/5 If pH is 3, solution is: basic neutral acidic 5/5 If pH is 9, solution is: acidic basic neutral