A 0.397-g sample of potassium hydrogen phthalatc, KHC ₈ H ₄ O ₄ (molar mass = 204.44 g/mol) is dissolved with 50 mL of deionized water in a 125--mL Erlenmeyer flask. The sample is titrated to the phenolphthalein endpoint with 16.22 mL of a sodium hydroxide solution. What is the molar concentration of the NaOH solution?

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Molar mass of KHC 8 H 4 O 4 20444 gmmol then 0397 gm of KHC 8 H 4 O 4 039720444 000194189 mole N... View the full answer