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Acid-Base Equilibria (Worksheet)

  • Page ID
    11055
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    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.

    Q1

    Calculate the equilibrium concentrations and pH for a 0.20 M proprionic acid solution. \(K_a = 1.3 \times 10^{-5}\)

    Q2

    Calculate the equilibrium concentrations and pH for a 0.20 M carbonic acid solution. Compare the answer to problem 1. Note which has the higher \(K_a\) and lower pH. \(K_a = 4.2 \times 10^{-7} \)

    Q3

    Calculate the \(K_a\) for a 0.3 M solution of \(HA\) (weak acid) if the pH = 3.65

    Q4

    Calculate the pH for a 0.2 M pyridine solution. \(K_b = 2.0 \times 10^{-9}\)

    Q5

    Calculate the pH of a \(0.34 M HCl\) solution.


    This page titled Acid-Base Equilibria (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.

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