The following equation shows the equilibrium in an aqueous solution of ammonia: NH3 (aq) + H2O(l) ⇌ NH4+ (aq) + OH- (aq) Which of the following represents a conjugate acid-base pair? a) NH3 and H2O b) NH4+ and OH- c) H2O and OH- d) NH3 and OH-
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Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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The following equation shows the equilibrium in an aqueous solution of ammonia:
NH3 (aq) + H2O(l) ⇌ NH4+ (aq) + OH- (aq)
Which of the following represents a conjugate acid-base pair?
a) NH3 and H2O
b) NH4+ and OH-
c) H2O and OH-
d) NH3 and OH-
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