A student failed to carry out all of the procedural steps when doing this experiment. Would the following procedural variations result in an experimentally determined %percent copper in brass? Would it be too low, too high or unaffected? Briefly justify your answer. a) the student did not use a dry beaker when obtaining the stock solution b) the student used a wet cuvette when determining the concentration of solution of unknown brass. c) the student used the wrong wavelength, 430nm, during the measurement of the absorbance of unknown brass solution
A student failed to carry out all of the procedural steps when doing this experiment. Would the following procedural variations result in an experimentally determined %percent copper in brass? Would it be too low, too high or unaffected? Briefly justify your answer. a) the student did not use a dry beaker when obtaining the stock solution b) the student used a wet cuvette when determining the concentration of solution of unknown brass. c) the student used the wrong wavelength, 430nm, during the measurement of the absorbance of unknown brass solution
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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A student failed to carry out all of the procedural steps when doing this experiment. Would the following procedural variations result in an experimentally determined %percent copper in brass? Would it be too low, too high or unaffected? Briefly justify your answer.
a) the student did not use a dry beaker when obtaining the stock solution
b) the student used a wet cuvette when determining the concentration of solution of unknown brass.
c) the student used the wrong wavelength, 430nm, during the measurement of the absorbance of unknown brass solution
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