### Experiment: Determining the Molarity of Acetic Acid (AA)The following table summarizes the data collected during a titration experiment aimed at determining the molarity of acetic acid using sodium hydroxide (NaOH) as the titrant.| **Quantity** | **Example** | **Trial 1** | **Trial 2** | **Trial 3** ||------------------------------------|-------------|-------------|-------------|-------------|| **M NaOH** (exact concentration) | 0.992 M | 0.953 M | 0.953 M | 0.953 M || **V initial buret reading = Vi** | 0.20 mL | 1.20 mL | 0.52 mL | 0.15 mL || **V final buret reading = Vf** | 12.90 mL | 14.22 mL | 13.71 mL | 13.31 mL || **Vep = VNaOH added = Vf - Vi** | 12.70 mL | 13.02 mL | 13.19 mL | 13.16 mL || **Vep = VNaOH in L** | 0.01270 L | 0.01302 L | 0.01319 L | 0.01316 L || **moles NaOH = MNaOH x VNaOH** | | | | || **moles AA = moles NaOH** | | | | || **V sample = V acid** | 0.0150 L | 0.0150 L | 0.0150 L | 0.0150 L || **Actual molarity of AA** | 0.840 M | 0.827 M | 0.840 M | 0.833 M || **

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Quantity Example Trial 1 Trial 2 M NaOH (exact concentration) 0.992 M 0.953 M 0.953 M V initial buret reading = V, 0.20 mL 1.20 mL 0.52 mL %3D V final buret reading = V; 12.90 mL 14.22 mL 13.71 mL %3D Vep = V NAOH added = V, - V, 12.70 mL 13.02 mL 13.19 mL %3D Vep = VNaOH in L 0.01270 L 0.01302 L 0.01319 L %3D moles NaOH = MNAOH X VNAOH moles AA = moles NaOH V sample = V acid 0.0150 L 0.0150 L 0.0150 L (15.00 mL) (15.00 mL) Actual molarity 0.840 M 0.827 M 0.840 M of AA Average molarity for 3 trials => 0.833 M

Quantity Example Trial 1 Trial 2 M NaOH (exact concentration) 0.992 M 0.953 M 0.953 M V initial buret reading = V, 0.20 mL 1.20 mL 0.52 mL %3D V final buret reading = V; 12.90 mL 14.22 mL 13.71 mL %3D Vep = V NAOH added = V, - V, 12.70 mL 13.02 mL 13.19 mL %3D Vep = VNaOH in L 0.01270 L 0.01302 L 0.01319 L %3D moles NaOH = MNAOH X VNAOH moles AA = moles NaOH V sample = V acid 0.0150 L 0.0150 L 0.0150 L (15.00 mL) (15.00 mL) Actual molarity 0.840 M 0.827 M 0.840 M of AA Average molarity for 3 trials => 0.833 M

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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