Solution
= Solution
\b[The <absorbance> is $\boxed{A=\log_{10}(I_0/I)=-\log_{10}(I/I_0)}$.] It is dimensionless. It differs from the absorbed fraction $1-I/I_0$.
= Solution
\b[The <absorbance> is $\boxed{A=\log_{10}(I_0/I)=-\log_{10}(I/I_0)}$.] It is dimensionless. It differs from the absorbed fraction $1-I/I_0$.