Chemistry

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0.194M NaOH and 0.268 M NH4CL Find concentration of OH

  • Chemistry -

    I would try this. Set up a RICE chart
    R......OH^- + NH4^+ ==> NH3 + H2O\
    I...0.194.....0.268......0......0
    C..-0.194... -0.194....+0.194.....
    E.....0.......0.074.....0.194

    This ends up being a buffer of NH4Cl/NH3. All of the NaOH is used.
    The Henderson-Hasselbalch equation will solve for pH and convert that to OH^-
    pH = pKa + log(NH3(/(NH4^+)

  • Chemistry -

    Thanks got it!

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