Beer-Lambert Law

AP Chemistry· difficulty 3/5

Beer's law (A = εlc) relates absorbance A to

A
$Wavelength only$
B
$Temperature$
C
$Concentration c \times path length l \times molar absorptivity ε$
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D
$Solvent only$

Explanation

Linear relationship lets us find unknown concentrations from absorbance measurements (calibration curve).

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