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March 24, 2017

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Consider a room temperature 0.30M ammonia buffer at pH 9.5. As you raise the temperature of the buffer, would you expect the pH to change? Explain. (Pka of NH4+ is 9.26)

  • chemistry - ,

    I would consider two things:
    a. Look at the Nernst equation. It has Eo-(RT/NF)log..... term in it and the T changes that.
    b. Would the solution be likely to lose NH3 as the temperature increases.

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