Lab Report Exp10

Lab Report Exp10 - Ryan Cohen 2/8/09 Oxidation of Vitamin C...

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Ryan Cohen 2/8/09 Oxidation of Vitamin C The purpose of this lab was to discover the intricacies of antioxidants in chemical reactions; specifically, how Ascorbic Acid found in Vitamin C acts as an antioxidant. The first part of the lab showed that Ascorbic Acid is effective as an antioxidant by demonstrating the oxidation of Ascorbic Acid by I 2 . The second part of the lab revealed the importance of temperature in oxidation reactions, questioning how an increase in temperature affects the readiness of material to oxidize. Part 3 of the lab physically analyzed a Vitamin C tablet in order to figure the percent mass of Vitamin C in the tablet. Part 1 of the lab demonstrated that Ascorbic Acid is an effective antioxidant by observing the oxidation of Ascorbic Acid by I 2 . The lab titrated an initial mass of Ascorbic Acid with KIO 3 . By observing the series of chemical reactions that occur by this titration, the lab reveals an experimental final mass of Ascorbic Acid. Since each molecule of Vitamin C losses one
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This note was uploaded on 05/17/2011 for the course CHEM 1AL taught by Professor Hooker during the Spring '07 term at UCSB.

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Lab Report Exp10 - Ryan Cohen 2/8/09 Oxidation of Vitamin C...

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