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Homework Help: [H+] vs. [OH-]

  1. Sep 1, 2009 #1
    Here's the question:

    And the answer is:

    Which makes sense to me, because acetic acid is the stronger acid. But there's another option in the list that it says is NOT true:

    I thought this might be true, because both are solutions of chemicals that were referred to as acids.
    Am I missing the definition of an acid?
  2. jcsd
  3. Sep 1, 2009 #2


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    Staff: Mentor

  4. Sep 1, 2009 #3


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    Science Advisor
    2017 Award

    That would be true if they were talking about solutions of acetic acid or hydrocyanic acid. However, they are talking about solutions of sodium acetate and sodium cyanide, the conjugate bases of the aforementioned acids.
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