Step 1: Identify the substance as an Arrhenius acid or
base using the following criteria.
-
The names of the acids end in “acid”. Acid formulas have one of
these forms: HX(aq) or HaXbOc.
-
Ionic compounds that contain hydroxide
(OH-) ,
carbonate (CO32-) , or hydrogen
carbonate (HCO3-) anions are
basic. Ammonia, NH3, is also a
base.
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Step 2: If the substance is an acid or base, determine
whether it is strong or weak.
-
All common acids except HCl(aq), HNO3, and H2SO4
are weak.
-
All common bases except metal hydroxides are weak.
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