The amount of ascorbic acid (vitamin C, C&HgO6) in tablets is determined by reaction with bromine and then titration of the hydrobromic acid with standard base C6H8O6 + Br2 -> C,H6O6 + 2HBR HBr + NAOH -> NaBr + H2O A certain tablet is advertised as containing 500 milligrams of vitamin C. A single tablet is dissolved in water and reacted with Br2, followed by titration with 43.20 mL of 0.1350 M NAOH. Verify if the tablet contained the advertised quantity of vitamin C.

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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1) The amount of ascorbic acid (vitamin C, C,H8O6) in tablets is determined by
reaction with bromine and then titration of the hydrobromic acid with standard
base
C6H8O6 + Br2 -> C,H,O6 + 2HBR
HBr + NAOH -> NaBr + H2O
A certain tablet is advertised as containing 500 milligrams of vitamin C. A single
tablet is dissolved in water and reacted with Br2, followed by titration with 43.20
mL of 0.1350M NAOH. Verify if the tablet contained the advertised quantity of
vitamin C.
Transcribed Image Text:Challenge problems 1) The amount of ascorbic acid (vitamin C, C,H8O6) in tablets is determined by reaction with bromine and then titration of the hydrobromic acid with standard base C6H8O6 + Br2 -> C,H,O6 + 2HBR HBr + NAOH -> NaBr + H2O A certain tablet is advertised as containing 500 milligrams of vitamin C. A single tablet is dissolved in water and reacted with Br2, followed by titration with 43.20 mL of 0.1350M NAOH. Verify if the tablet contained the advertised quantity of vitamin C.
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