Answer
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Step 1: Understanding Absorbance
Absorbance is a dimensionless quantity, which means it has no units. It is a measure of the amount of light absorbed by a sample at a specific wavelength.
Step 2: Definition of Absorbance
- $$I$$ is the intensity of transmitted light
Absorbance (A) is defined by the Beer-Lambert Law as: Where:
Final Answer
It is a logarithmic ratio of light intensities, which cancels out any units during the calculation.
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