Given the mass of the starting material, show the calculations of the theoretical yield of the residue for both possible decomposition reactions. Which reaction was observed? What was its percent yield? What source(s) of error can explain why the percent yield was not 100%?
Given the mass of the starting material, show the calculations of the theoretical yield of the residue for both possible decomposition reactions. Which reaction was observed? What was its percent yield? What source(s) of error can explain why the percent yield was not 100%?
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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Question
Given the mass of the starting material, show the calculations of the theoretical yield of the residue for both possible decomposition reactions.
Which reaction was observed? What was its percent yield?
What source(s) of error can explain why the percent yield was not 100%?
Transcribed Image Text:mass of crucible (g)
32.969
mass with sodium bicarbonate (g)
46.910
mass after 1st heating (g)
38.317
mass after 2nd heating (g)
38.209
mass after 3rd heating (g)
38.204
Expert Solution
Step 1
Sodium bicarbonate, NaHCO3 is unstable at high temperature and undergoes thermal decomposition to form Na2CO3(s), CO2(g), and H2O(g).
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