(Answered) An impure sample of potassium hydrogen phthalate khp having

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An impure sample of potassium hydrogen phthalate, KHP, having a mass of 84.02 g was dissolved in water. This acid sample was neutralized by the addition of 536.0 mL of 0.125 M NaOH.

NaOH(aq) + KHP(aq) → NaKP(aq) + H2O(l)

How many mol of NaOH and KHP were used in the reaction?

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