Skip to main content
Library homepage
Chemistry LibreTexts

Acid-Base Pairs (Worksheet)

  • Page ID
  • \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\)

    Name: ______________________________

    Section: _____________________________

    Student ID#:__________________________

    Work in groups on these problems. You should try to answer the questions without referring to your textbook. If you get stuck, try asking another group for help.


    Determine the conjugate acid for each:

    \(H_2O\) \(F^-\)-
    \(HCO_3^-\) \(SO_4^{2-}\)
    \(OH^-\) \(PO_4^{3-}\)
    \(H_2PO_4^-\) \(Cl^-\)
    \(ClO_4^-\) \(CH_3COO^-\)
    \(SH^-\) \(CN^-\)
    \(HSO_4^-\) \(NH_3\)

    Determine the conjugate base for each:

    \(H_2O\) \(HF\)
    \(HCO_3^-\) \(HSO_4^-\)
    \(OH^-\) \(HPO_4^{2-}\)
    \(H_3PO_4\) \(HCl\)
    \(HBrO_2\) \(CH_3COOH\)
    \(H_2S\) \(HOCN\)
    \(HSO_4^-\) \(NH_3\)

    Contributors and Attributions

    This page titled Acid-Base Pairs (Worksheet) is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Mark Draganjac via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.

    • Was this article helpful?