Stoichiometry Report

Stoichiometry Report - Data Performed: 10/16/2009 Name:...

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Unformatted text preview: Data Performed: 10/16/2009 Name: Conor McKenna Data Submitted: 10/21/2009 Partner: Tyler Campos Instructor: Bing Yan Stoichiometry: Method of Continuous Variations Objective: To determine the stoichiometry of the reaction between sodium hypochlorite (NaClO) and potassium iodide (KI) in aqueous solution Experimental Data: Vol. of NaClO(ml) Vol. of KI (ml) Initial Temp. of NaClO ( C) Initial Temp. of KI( C) Final Temp. ( C) 45.0 5.0 20.79 19.13 25.13 40.0 10.0 20.79 19.13 28.33 35.0 15.0 20.79 19.13 28.56 30.0 20.0 20.79 19.13 27.71 25.0 25.0 20.79 19.13 26.70 20.0 30.0 20.79 19.13 24.94 15.0 35.0 20.79 19.13 24.06 10.0 40.0 20.79 19.13 22.93 5.0 45.0 20.79 19.13 21.81 0.0 50.0 20.79 19.13 19.13 Sample Calculations: Mol fraction NaClO: Volume NaClO/ (Volume NaClO + Volume KI) = Mole Fraction 5.0 / (45.0 + 5.0) = 0.100 T(initial): Initial Temp. of NaClO + Initial Temp. of KI/ 2 = T(initial) 22.11 + 20.03 / 2 = 21.07 o C T: Final Temp Initial Temp = T 21.81-21.07=0.74 o C Largest T = 8.60 a = 0.7a = 0....
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Stoichiometry Report - Data Performed: 10/16/2009 Name:...

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