Which of the following mixtures would you dismiss as a potential buffer in a laboratory? A) mixing equal volumes of 0.10 M NaC₂H₃O₂(aq) and 0.10 M HCl(aq). B) mixing equal volumes of 0.10 M NaC₂H₃O₂(aq) and 0.050 M HCl(aq). C) mixing equal volumes of 0.10 M NaC₂H₃O₂(aq) and 0.10 M HC₂H₃O₂(aq). D) mixing equal volumes of 0.10 M HC₂H₃O₂(aq) and 0.050 M NaOH(aq).

Question

Quizplus · Accepted Answer

A buffer requires a weak acid and its conjugate base or a weak base and its conjugate acid. None of the solutions in mixture A contains a weak acid or base, so it cannot act as a buffer.

Which of the Following Mixtures Would You Dismiss as a Potential