What is meant by the term "absorbance" in spectrophotometry procedures.?

1 Answer

Answer:

Absorbance tells you how much light is absorbed by a sample. Transmittance tells you how much light passes through the sample without being absorbed.

Explanation:

The relationship between absorbance and transmittance is given by the following equation

#A=-log(%T)#

Here is a video showing an experiment to determine the concentration of an unknown sample of iron (III) chloride.