Why potassium hydrogen pthalate is used for perchloric acid
And naoh. Why it is used for both acid and base
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Answer Posted / mahesh.duggirala
accually PHP nature is acidic(pH:4.5)..so we use for
standerdization of NaOH.but in HClO4,we standedize in
presence of Acetic acid..Acetic acid & PHP combined to form
conjugate base.that conjugate base react with HCLO4
solution..in HCLO4 standerdization
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