2CLabManual201303

00 ml sample solution that did contain oxalic acid

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Unformatted text preview: ic ion solution containing oxalic acid? For each trial, what is the precise volume in mL of NBS solution used in the titration of the ascorbic acid/ferric ion solution containing oxalic acid? For each NBS volume you entered above, calculate the mass in mg of ascorbic acid present in the 10.00 mL sample solution that DID contain oxalic acid. How many trials did you complete for the analysis of the ascorbic acid/ferric ion solution that DID NOT contain any oxalic acid? For each trial, what is the precise volume in mL of NBS solution used in the titration of the ascorbic acid/ferric ion solution that DID NOT contain any oxalic acid? For each NBS volume you entered above calculate the mass in mg of ascorbic acid present in the 10.00 mL sample solution that DID NOT contain oxalic acid. What is the mg of ascorbic acid that was protected by the presence of the oxalic acid? 80 Is oxalic acid effective in inhibiting the catalytic effect of metal ions? Which of the following redox reaction schemes may be responsible for the direct degradation of ascorbic acid. Choices given. Which of the following redox reaction sc...
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