What is path length in Beer’s Law?
Understand the Problem
The question is asking for the definition of path length in the context of Beer’s Law, which relates to the absorption of light in a medium. Path length typically refers to the distance that light travels through a substance, which affects the amount of light absorbed according to Beer’s Law.
Answer
The path length in Beer’s Law is the length of the cuvette.
The path length in Beer’s Law is the length of the cuvette through which the sample solution travels, usually measured in centimeters.
Answer for screen readers
The path length in Beer’s Law is the length of the cuvette through which the sample solution travels, usually measured in centimeters.
More Information
The path length is crucial in Beer’s Law because it directly affects the absorbance of light passing through the sample, influencing the calculation of a solution's concentration.
Sources
- Beer-Lambert Law | ChemTalk - chemistrytalk.org
- The Beer-Lambert Law - Chemistry LibreTexts - chem.libretexts.org
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