Which of the following combinations of chemicals could be used to make a buffer solution? A)HCl/KOH B)HCl/NH₃ C)HBr/H₃PO₄ D)KOH/NH₃

Question

Quizplus · Accepted Answer

A buffer solution can be made from a weak acid and its conjugate base or a weak base and its conjugate acid. HCl/NH3 is a combination of a strong acid and a weak base, which can form a buffer solution when the weak base is in excess.

Which of the Following Combinations of Chemicals Could Be Used