AP Chemistry
3.13 Beer-Lambert Law
A student prepares a calibration curve of absorbance versus concentration for \(\text{CuSO}_4\text{(aq)}\) using a spectrophotometer set to an appropriate wavelength. While measuring the unknown sample, the student forgets to wipe fingerprints and water droplets off the outside of the cuvette. Which of the following best explains how this error affects the calculated concentration of the unknown solution?
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