chmlab_3 - Project Summary for Acid In Your Beverage...

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Project Summary for Acid In Your Beverage CHEM 123 Tashrik Ahmed 9/04/06 Santhosh Varadarajan 05/01 Objective: The purpose of this lab is to titrate unknown concentrations of 30ml of citric acid with sodium hydroxide of known molarity to determine the molarity of citric acid in Sprite. Procedure: “Chemical Stoichiometry”,  Chem 123 Laboratory Manual , Purdue  University, Fall 2006, pp. 9 – 14. Data: V o Soda 100 ml Molarity NaOH .1025 M Molarity Dilute NaOH .025625 M Mass Soda 8.221 g Volume Soda 8.49 mL Density Soda .968 g/mL Trial 1 Trial 2 Trial 3 V o1 NaOH = .20ml V o2 NaOH = .98ml V o1 NaOH = 2.95 ml V o2 NaOH = 0.00 ml V o1 NaOH = 0.02 ml V o2 NaOH = 0.03 ml V f1 NaOH = 25.00 ml V f2 NaOH = 10.02 ml V f NaOH = 25.00 ml V f2 NaOH = 11.98 ml V f NaOH = 25.00 ml V f2 NaOH = 8.32 ml ∆V NaOH = 33.84 ml ∆V NaOH = 34.03 ∆V NaOH = 33.27 ml V Soda = 30 ml V Soda = 30 ml V Soda = 30 ml Data Analysis: Finding Density of Soda 8.221 g / 8.49 L = .96831 g/L Finding Volume NaOH used
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chmlab_3 - Project Summary for Acid In Your Beverage...

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