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What stoichiometric concentration of the indicated substance is required to obtain an aqueous solution with the pH} value shown below?
aniline (C6H5NH2) for PH of 8.90

  • chemistry - ,

    C6H5NH2 HOH ==> C6H4NH3^+ + OH^-

    Set up an ICE chart, substitute into Kb for aniline of
    Kb = (C6H5NH2^+)(OH^-)/(C6H5NH2)
    Convert pH to pOH, then to (OH^-) which equals (C6H5NH3^+) and solve for (C6H5NH2).
    Post your work if you gets stuck.

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