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Normality is same as Molarity for sodium hydroxide and normal = molar (for NaOH) Normality of sodium hydroxide = 0.10395N (normal) or Molarity of NaOH = 0.10395M (molar) Volume of NaOH consumed during the titration = 21.87 mL Mol wt of Naproxen = 230.26 g/mol

Normality is same as Molarity for sodium hydroxide and normal = molar (for NaOH) Normality of sodium hydroxide = 0.10395N (normal) or Molarity of NaOH = 0.10395M (molar) Volume of NaOH consumed during the titration = 21.87 mL Mol wt of Naproxen = 230.26 g/mol

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter18: Acids And Bases
Section: Chapter Questions
Problem 92A
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  • Normality is same as Molarity for sodium hydroxide and normal = molar (for NaOH)
  • Normality of sodium hydroxide = 0.10395N (normal) or Molarity of NaOH = 0.10395M (molar)
  • Volume of NaOH consumed during the titration = 21.87 mL
  • Mol wt of Naproxen = 230.26 g/mol
  • Weight of Naproxen ds (i.e., sample) = 0.534g

 

Calculate the % Purity (dried-basis) of Naproxen ds, given that the LOD results for Naproxen = 1.0%

  a

97.0
  b

98.0
  c

98.5
  d

99.0
  e

99.5
  f

none of the other answers.
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