a)why do chemist prefer to read/ record the absorbance, rather that the percent transmittance, of light when analyzing a sample having a visible color?

b) three parameters affect the absorbance of a sample. Which one is the focus of this experiment?

2 answers

a) The log of AbsorbTance, which is called absorptivity, is proportional to concentration.

b) What experiment?
B) the concentration of the absorbing substance