Many acids and bases are weak. Which of the following molecules is a weak base. Pin On Differentiation The other compounds are salts. . Lets take a look at the aqueous solution of. HCl is a strong acid. A weak acid is an acid that partially dissociates into its ions in an aqueous solution or water. In the topic we have discussed the weak base definition classification of the base. Thus a weak acid increases the hydronium ion concentration in an aqueous solution but not as much as the. Some examples of the weak bases are NH 3 CH 3 NH 2 C 5 H 5 N etc. NaCN is made of strong base and weak acid. She has taught science courses at the high school college and graduate levels. Question 44 1 point Which of the following molecules is a weak base. However the conjugate base of the weak acid is a weak base and ionizes slightly in water. NaCl is formed from NaOH strong base and HCl strong acid. KOH H2S...