up the equilibrium NH4+(aq) + OH-(aq) ⇌ NH3(aq) + H2O(l). Because both are acids, a buffer is formed. However, in the second case, NH3 is a base and OH– is an acid, so no buffer is possible. b) OH– is a weak base, and NH4+ is a strong base. They react with one another to form NH3, thereby setting up the equilibrium NH4+(aq) + OH-(aq) ⇌ NH3(aq) + H2O(l). Because both are bases, a buffer is formed. However, in the second case, NH3 is an acid and OH– is a base, so no buffer is possible. c) OH– is a base, and NH4+ is a strong acid. They react with one another to form NH3, thereby setting up the
Why can a buffer be prepared from a mixture of NH4Cl and NaOH but not from NH3and NaOH?
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