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A student gets fingerprints on a cuvette before using it to determine the concentration of a colored โ€” Laboratory Chemistry Question

Question

A student gets fingerprints on a cuvette before using it to determine the concentration of a colored species using its known extinction coefficient. What is the effect on the absorbance and reported concentration?

A.

absorbance: increased, reported concentration: too low

B.

absorbance: increased, reported concentration: too high

โœ“ Correct
C.

absorbance: decreased, reported concentration: too low

D.

absorbance: decreased, reported concentration: too high

๐Ÿ’ฌ
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