Lesson Worksheet: The Beer–Lambert Law Chemistry

In this worksheet, we will practice using the Beer–Lambert Law to calculate absorption from the molar extinction coefficient, path length, and concentration.

Q1:

According to the Beer–Lambert law, which two variables are linearly correlated if the path length of the cell is held constant?

  • AConcentration and wavelength
  • BTransmission intensity and concentration
  • CTransmission intensity and wavelength
  • DAbsorbance and concentration

Q2:

Which of the following describes the correct relationship between absorbance and transmission?

  • A𝑇=ο€Ό1𝐴log
  • B𝐴=ο€Ό1π‘‡οˆlog
  • C𝑇=(𝐴)log
  • D𝐴=(𝑇)log

Q3:

An absorbance value of zero corresponds to 100%β€Ž transmittance. What transmittance value corresponds to an absorbance value of 2?

  • A0%β€Ž
  • B98%β€Ž
  • C1%β€Ž
  • D80%β€Ž

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