2CLabManual201303

2CLabManual201303

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Unformatted text preview: a thousandth of a gram. (Use three significant figures.) If one had weighed out precisely 0.500 g of KIO3 for the primary standard solution and dissolved it in enough deionized water to make a 250 mL solution, the molarity of that solution would be 0.00935 M. Enter your calculated molarity of the primary standard KIO3 solution. Use three significant figures Standardization of the sodium thiosulfate solution using the potassium iodate primary standard solution. We must examine each of the three acceptable trials. First, let's consider the analyte volume. You were instructed to pipet two 10.00 mL aliquots of potassium iodate into an Erlenmeyer flask for each analyte sample to be titrated. Therefore, your analyte volumes of the potassium iodate should be 20.00 mL. For each trial, enter the precise volume in mL of potassium iodate solution used in the standardization of sodium thiosulfate (e.g. 20.00 mL or 10.00 mL). Standardization of the sodium thiosulfate solution using the potassium iodate pri...
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This note was uploaded on 04/09/2013 for the course CHE CHE 2C taught by Professor Nasiri during the Spring '07 term at UC Davis.

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