Nonelectrolyte B strong electrolyte C weak electrolyte (a The pure water in this circuit is unable to conduct electricity because contains practically no ions (b) Because HCl is a strong acid, nearly all of its molecules break apart in water, giving a high concentration of ions c)Acetic acid, C2H4O2, is a weak acid and in water only a small portion of its molecules break up into ionsA nonelectrolyte B strong electrolyte C weak electrolyte (a) The pure water in this circuit is unable to conduct electricity because it contains practically no ions (b) Because HCl is a strong acid, nearly all of its molecules break apart in water, giving a high concentration of ions (c) Acetic acid, C2H4O2 , is a weak acid and in water only a small portion of its molecules break up into ions