Chemistry, 20.01.2022 14:00, northan

The percentage by weight of nitric acid, HNO3, in a sample of concentrated nitric acid is to be determined. (a) Initially a NaOH solution was standardized by titration with a sample of potassium hydrogen phthalate, KHC8H4O4, a monoprotic acid often used as a primary standard. A sample of pure KHC8H4O4 weighing 1.518 grams was dissolved in water and titrated with the NaOH solution. To reach the equivalence point, 26.90 milliliters of base was required . Calculate the molarity of the NaOH solution. (Molecular weight: KHC8H4O4

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The percentage by weight of nitric acid, HNO3, in a sample of concentrated nitric acid is to be dete...