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Chemistry

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What is the pH of a 0.0353M solution of NH4F and a 0.0000666M solution of NH4F?

  • Chemistry -

    (H^+) of a salt of weak acid + weak base (NH4F is such a salt) is sqrt(KwKa/Kb)

  • Chemistry -

    Does ph differ with changes in concentration?

  • Chemistry -

    In theory no. In practice, probably so. Since pH = 7 + 1/2 pKa - 1/2 pKb there is no concn term; therefore, it isn't concn dependent.

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