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CHEM 121 Lab 10 2024 Exam

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CHEM 121 Lab 10 2024 Exam

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CHEM 121 Lab 10

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CHEM 121 Lab 10 2024 Exam

What is the calibration curve used for? - Correct Answer-To find the molarity or absorbance
of a designated solution with a known molarity (or absorbance) and an unknown absorbance
(or molarity).

What does ASA stand for? - Correct Answer-Acetylsalicylic acid

What will be used for sample holders? - Correct Answer-Test tubes will be used to hold the
samples.

How many standard solutions will be analyzed to produce the calibration curve? - Correct
Answer-Four.

What wavelength will be used for measuring the absorbance of ASA? - Correct Answer-
530.3nm

What is the purpose of the iron(III) chloride blank? - Correct Answer-To calibrate the
spectrometer.

Which reading scale will be used %Transmittance or Absorbance? - Correct Answer-The
absorbance reading scale will be used.

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