Explain what effect each of the following will have on the actual yield of the recovered Cu (s). Student used ethanol instead of cold water to rinse the copper product. Not all of the Zn (s) reacted with the added H2SO4, so that some of the zinc remained with the copper product. When decanting off the supernatant in Step 6 some black solid also came over and was discarded instead of remaining behind in the reaction beaker. When heating the Cu(OH)2, some solution and solid splattered out of the beaker when the solution boiled over.
Explain what effect each of the following will have on the actual yield of the recovered Cu (s). Student used ethanol instead of cold water to rinse the copper product. Not all of the Zn (s) reacted with the added H2SO4, so that some of the zinc remained with the copper product. When decanting off the supernatant in Step 6 some black solid also came over and was discarded instead of remaining behind in the reaction beaker. When heating the Cu(OH)2, some solution and solid splattered out of the beaker when the solution boiled over.
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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Explain what effect each of the following will have on the actual yield of the recovered Cu (s).
- Student used ethanol instead of cold water to rinse the copper product.
- Not all of the Zn (s) reacted with the added H2SO4, so that some of the zinc remained with the copper product.
- When decanting off the supernatant in Step 6 some black solid also came over and was discarded instead of remaining behind in the reaction beaker.
- When heating the Cu(OH)2, some solution and solid splattered out of the beaker when the solution boiled over.
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