Spectroscopy and Molecular Absorption (4D)
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QUESTION
If path length changes from
1.0
cm
1.0\text{ cm}
1.0
cm
to
2.0
cm
2.0\text{ cm}
2.0
cm
, how does
A
A
A
change (all else constant)?
QUESTION
Identify the quantity that equals
A
ℓ
c
\frac{A}{\ell c}
ℓ
c
A
in Beer–Lambert law.
QUESTION
If concentration doubles with constant
ε
\varepsilon
ε
and
ℓ
\ell
ℓ
, how does absorbance change?
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ANSWER
Absorbance doubles. Per Beer-Lambert law, absorbance is directly proportional to concentration when other factors are constant.
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