why sre you used Potassium hydrogen phthalate in
standarisation of 1N NaOH and 0.1 N Perchloric Acid?
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Answer / madhukar tayade
KHP is the primary standard that is stable for any condition it is used as the acid as well as base i.e acid for 1N NaOH and base for 0.1N perchloric acid
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