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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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Explain what effect each of the following will have on the actual yield of the recovered Cu (s).

  1. Student used ethanol instead of cold water to rinse the copper product.
  2. Not all of the Zn (s) reacted with the added H2SO4, so that some of the zinc remained with the copper product.
  3. 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.
  4. When heating the Cu(OH)2, some solution and solid splattered out of the beaker when the solution boiled over.
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