AlkaSeltzer

AlkaSeltzer - An Introduction to Kinetics Using...

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An Introduction to Kinetics Using Alka-Seltzer ©2007 by David A. Katz. All rights reserved. Permission for educational use provided original copyright is included. Materials needed Alka-Seltzer tablets Ice 2 or 3 beakers, 250-mL or 400-mL Graduated cylinder, 100-mL or 250-mL Thermometer Mortar and pestle Hot plate Stopwatch or watch with a second hand Procedure 1. Weigh two Alka-Seltzer tablets separately. Use the average mass of the tablets for your calculations in this experiment. 2. Measure 100 mL room temperature water into a beaker. Measure the temperature of the water. Add one Alka-Seltzer tablet to the water. Measure the time it takes for the tablet to dissolve. Determine the rate of the reaction using the formula: s time g tablet Seltzer Alka of mass Rate , , 3. Measure 100 mL room temperature water into a beaker. Measure the temperature of the water. Break one Alka-Seltzer tablet into pieces. Add the pieces of the Alka-Seltzer to the water all at once. Measure the time it takes for the tablet to dissolve.
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This note was uploaded on 12/07/2011 for the course CHEM 152 taught by Professor Staff during the Spring '08 term at Pima CC.

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