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2. Suppose a student introduces an object to aid in stirring the solution but does not rinse the object and places it directly on their countertop. They notice a white powder that resides on the stirrer. How will their calculation for percent error be affected? Explain. Momci saat bag

2. Suppose a student introduces an object to aid in stirring the solution but does not rinse the object and places it directly on their countertop. They notice a white powder that resides on the stirrer. How will their calculation for percent error be affected? Explain. Momci saat bag

Chemistry
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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Please help with question 2
# Experiment Documentation for Chem 105 Online ## Procedure Overview: 7. **Drying the Precipitate:** - Carefully remove the filter paper (still very moist) and place it on a paper towel to dry overnight. - If you are cramped for time, an oven will work at 200-225°F. Set the wet filter paper on a baking sheet and place in the oven. Check it regularly to not burn the filter paper. - A sunny window is a happy medium for wet filter paper as well.
Transcribed Image Text:# Experiment Documentation for Chem 105 Online ## Procedure Overview: 7. **Drying the Precipitate:** - Carefully remove the filter paper (still very moist) and place it on a paper towel to dry overnight. - If you are cramped for time, an oven will work at 200-225°F. Set the wet filter paper on a baking sheet and place in the oven. Check it regularly to not burn the filter paper. - A sunny window is a happy medium for wet filter paper as well.
**Chem 105 Online** **Post Laboratory Questions:** 1. What is the purpose of rinsing the precipitate at the end of the reaction? How would your calculation for percent yield be affected if this were not rinsed thoroughly? 2. Suppose a student introduces an object to aid in stirring the solution but does not rinse the object and places it directly on their countertop. They notice a white powder that resides on the stirrer. How will their calculation for percent error be affected? Explain. *The percent error would be incorrect because we wouldn't...* 3. Why must the filter paper be dried before obtaining the final mass?
Transcribed Image Text:**Chem 105 Online** **Post Laboratory Questions:** 1. What is the purpose of rinsing the precipitate at the end of the reaction? How would your calculation for percent yield be affected if this were not rinsed thoroughly? 2. Suppose a student introduces an object to aid in stirring the solution but does not rinse the object and places it directly on their countertop. They notice a white powder that resides on the stirrer. How will their calculation for percent error be affected? Explain. *The percent error would be incorrect because we wouldn't...* 3. Why must the filter paper be dried before obtaining the final mass?
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Percent error is a measure of the approximate deviation from the accuracy.

 

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