Answer:
Relative atomic mass or atomic weight is a dimensionless physical quantity defined as the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass constant. The atomic mass constant is defined as being 1/12 of the mass of a carbon-12 atom.
As defined<span> by </span>Arrhenius<span>, </span>acid<span>-base reactions are characterized by </span>acids, which dissociate in aqueous solution to form hydrogen ions (H+) and bases, which form hydroxide (OH−<span>) ions. </span>Acids<span> are </span>defined<span> as a compound or element that releases hydrogen (H</span>+<span>) ions into the solution</span>