Experiment 8

Experiment 8 - Part 2. Titration of Vinegar Trial 1 Volume...

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Part 3. Titration of Antacid Tablets Data Antacid 1 Antacid 2 Brand of antacid tablet Tums Tums Mass of antacid tablet (g) 1.269 g 1.320 g Total Volume of 0.3 M HCl added (mL) 50 mL 50 mL Millimoles of HCl 15 mmol 15 mmol Initial volume NaOH in burette (mL) 49 mL 35 mL Final Volume NaOH in the burette (mL) 35 mL 19 mL Total Volume NaOH in the burette (mL) 14 mL 16 mL Millimoles of NaOH 4.2 mmol 4.8 mmol Millimoles HCl reacted with base in antacid 10.8 mmol 10.2 mmol Identify the active ingredient in the antacid from the manufacturer’s label CaCO 3 CaCO 3 Write the balanced equation for the base in the antacid CaCO 3 Ca 2+ + CO 3 2- CaCO 3 Ca 2+ + CO 3 2- Trial 1 Trial 2 Trial 3 Volume of Vinegar (mL) 20 mL 20 mL 20 mL Initial Burette Volume NaOH (mL) 50 mL 49 mL 49.5 mL Final Volume of NaOH (mL) 15.5 mL 17.6 mL 16.9 mL Total Volume of NaOH (mL) 34.5 mL 31.4 mL 32.6 mL Moles of NaOH .01035 .00942 .00978 Moles of CH 3 COOH in Vinegar .01035 .00942 .00978
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Experiment 8 - Part 2. Titration of Vinegar Trial 1 Volume...

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