Shawn,Melissa, Pierre, and Kathy are each trying to make a solution that requires 40 mL of stock to be added. Pierre uses a 25 mL, a 10 mL and a 5 mL pipette; Raphael uses a 5 mL pipette 8 times; Rebecca uses a 50 mL burette (hint: You have two measurements with a burette); and Clive uses a 25 mL graduated cylinder. Assuming the only error introduced was by the variance in the glassware, determine the cumulative error for each person. Show all calculations and use the propagation of error equations.
Shawn,Melissa, Pierre, and Kathy are each trying to make a solution that requires 40 mL of stock to be added. Pierre uses a 25 mL, a 10 mL and a 5 mL pipette; Raphael uses a 5 mL pipette 8 times; Rebecca uses a 50 mL burette (hint: You have two measurements with a burette); and Clive uses a 25 mL graduated cylinder. Assuming the only error introduced was by the variance in the glassware, determine the cumulative error for each person. Show all calculations and use the propagation of error equations.
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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Shawn,Melissa, Pierre, and Kathy are each trying to make a solution that requires 40 mL of stock to be added. Pierre uses a 25 mL, a 10 mL and a 5 mL pipette; Raphael uses a 5 mL pipette 8 times; Rebecca uses a 50 mL burette (hint: You have two measurements with a burette); and Clive uses a 25 mL graduated cylinder. Assuming the only error introduced was by the variance in the glassware, determine the cumulative error for each person. Show all calculations and use the propagation of error equations.
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