Question

Write the acid-base reaction that occurred in the titration of potassium hydrogen phthalate(KHP), KHC8H4O4with sodium hydroxide, NaOH.

Answer 1

Answer:

KHC₈H₄O₄ + NaOH → KC₈H₄O₄⁻ + Na⁺ + H₂O

Explanation:

Potassium hydrogen phthalate is an acidic salt that is used as a primary standard for acid-base titrations.

In the titration of KHP with NaOH, the salt loses a H⁺ producing water and Na⁺. The reaction is:

KHC₈H₄O₄ + NaOH → KC₈H₄O₄⁻ + Na⁺ + H₂O

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