A solution of NaOH was standardized by titration of a known quantity of the primary
Chapter 1, Problem 1-E(choose chapter or problem)
A solution of NaOH was standardized by titration of a known quantity of the primary standard, potassium hydrogen phthalate (page 223): Potassium hydrogen phthalate (FM 204.221) C8H5O4K NaOH C8H4O4NaK H2O The NaOH was then used to find the concentration of an unknown solution of H2SO4:(a) Titration of 0.824 g of potassium hydrogen phthalate required 38.314 g of NaOH solution to reach the end point detected by phenolphthalein indicator. Find the concentration of NaOH (mol NaOH/kg solution). (b) A 10.00-mL aliquot of H2SO4 solution required 57.911 g of NaOH solution to reach the phenolphthalein end point. Find the molarity of H2SO4.
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