Calculate the weight percent of ascorbic acid in a tablet of Vitamin C using correct significant figures from the following data: A 90 mg sample of a crushed Vitamin C tablet was dissolved in 40 mL of H2SO4 and 20 mL of water. Two grams of KI and 20. mL of 0.0120 M KIO3 solution was added, and the mixture titrated to a starch endpoint. The titration required 12 mL of 0.0530 M thiosulfate solution. Weight = _____ %
Calculate the weight percent of ascorbic acid in a tablet of Vitamin C using correct significant figures from the following data: A 90 mg sample of a crushed Vitamin C tablet was dissolved in 40 mL of H2SO4 and 20 mL of water. Two grams of KI and 20. mL of 0.0120 M KIO3 solution was added, and the mixture titrated to a starch endpoint. The titration required 12 mL of 0.0530 M thiosulfate solution. Weight = _____ %
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter30: Nutrition
Section: Chapter Questions
Problem 30.3P: If sodium benzoate, a food preservative, is excreted as such and if calcium propionate, another food...
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Calculate the weight percent of ascorbic acid in a tablet of Vitamin C using correct significant figures from the following data:
A 90 mg sample of a crushed Vitamin C tablet was dissolved in 40 mL of H2SO4 and 20 mL of water. Two grams of KI and 20. mL of 0.0120 M KIO3 solution was added, and the mixture titrated to a starch endpoint. The titration required 12 mL of 0.0530 M thiosulfate solution.
Weight = _____ %
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