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March 28, 2017

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Q: Find pH of 0.2 M of CH3COONa + 0.1M of CH3COOH?

  • chemistry - ,

    Use the Henderson-Hasselbalch equation.
    pH = pKa + log (base)/(acid)
    (base) = 0.2 M
    (acid) = 0.1 M
    Look up pKa CH3COOH. I think it's close to 4.74.

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