Report 6 - Stoichiometry, Method of Continuous Variation

Report 6 - Stoichiometry, Method of Continuous Variation -...

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Unformatted text preview: Date Performed: October 14, 2010 Name: Allan Gibson Date Submitted: October 21, 2010 Partner: Patrick Mason Stoichiometry: Method of Continuous Variation Objective: To determine the stoichiometry of the reaction between Hypochlorite (NaClO) and Potassium Iodide (KI) in aqueous solution. Experimental Data: Initial temp of NaClO solution: 21.96 C Initial temp of KI solution: 20.57 C Combined initial temp: 21.27 C KI solution (mL) Temp. NaClO ( C) NaClO solution (mL) Temp. KI ( C) Final Temp. ( C) 5.0 22.83 45.0 21.88 24.87 10.0 22.73 40.0 22.22 28.86 15.0 22.74 35.0 22.02 29.53 20.0 22.77 30.0 22.03 28.63 25.0 22.84 25.0 21.90 27.23 30.0 22.47 20.0 22.03 26.07 35.0 23.01 15.0 22.01 24.93 40.0 23.48 10.0 22.03 23.68 45.0 24.75 5.0 21.95 22.48 Sample Calculations: T = [(T 1 V 1 ) + (T 2 V 2 )] / (V 1 +V 2 ) Combined initial temperature: (21.96 C x 250mL) + (20.57 C x 250mL) / (250mL + 250mL) = 21.27 C Since the concentrations are of the two solutions are equivalent, volumes can be used in place of...
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This note was uploaded on 01/24/2011 for the course CHEM 1045 taught by Professor Pgamateis during the Spring '08 term at Virginia Tech.

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Report 6 - Stoichiometry, Method of Continuous Variation -...

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