The amount of ascorbic acid (vitamin C; C6H8O6) in tablets is determined by reaction with bromine and then titration of the hydrobromic acid with standard base: C6H8O6(aq) + Br2(aq) → C6H6O6(aq) + 2HBr(aq) HBr(aq) + NaOH(aq) → NaBr(aq) + H2O(l)A certain tablet is advertised as containing 500 mg of vitamin C. One tablet was dissolved in water and reacted with Br2. The solution was then titrated with 43.20 mL of 0.1350 M NaOH. Did the tablet contain the advertised quantity of vitamin C?
The amount of ascorbic acid (vitamin C; C6H8O6) in tablets is determined by reaction with bromine and then titration of the hydrobromic acid with standard base: C6H8O6(aq) + Br2(aq) → C6H6O6(aq) + 2HBr(aq) HBr(aq) + NaOH(aq) → NaBr(aq) + H2O(l)A certain tablet is advertised as containing 500 mg of vitamin C. One tablet was dissolved in water and reacted with Br2. The solution was then titrated with 43.20 mL of 0.1350 M NaOH. Did the tablet contain the advertised quantity of vitamin C?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 109QRT: Vitamin C is ascorbic acid, HC6H7O6, which can be titrated with a strong base. HC6H7O6(aq) +...
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The amount of ascorbic acid (vitamin C; C6H8O6) in tablets is determined by reaction with bromine and then titration of the hydrobromic acid with standard base:
C6H8O6(aq) + Br2(aq) → C6H6O6(aq) + 2HBr(aq)
HBr(aq) + NaOH(aq) → NaBr(aq) + H2O(l)
A certain tablet is advertised as containing 500 mg of vitamin C. One tablet was dissolved in water and reacted with Br2. The solution was then titrated with 43.20 mL of 0.1350 M NaOH. Did the tablet contain the advertised quantity of vitamin C?
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