Beer-Lambert Law
AP Chemistry · Flashcards · Application
AP CHEMISTRY · FLASHCARDS
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QUESTION
If transmittance is 1%, what is the absorbance?
QUESTION
If
I
0
=
100
I_0 = 100
I
0
=
100
and
I
=
10
I = 10
I
=
10
, what is the transmittance?
QUESTION
Calculate absorbance if
ε
=
1
L mol
−
1
cm
−
1
\text{ε} = 1 \text{L mol}^{-1} \text{cm}^{-1}
ε
=
1
L mol
−
1
cm
−
1
,
c
=
1
mol L
−
1
\text{c} = 1 \text{mol L}^{-1}
c
=
1
mol L
−
1
,
l
=
2
cm
\text{l} = 2 \text{cm}
l
=
2
cm
.
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ANSWER
Absorbance
A
=
2
A = 2
A
=
2
. Substituting values:
A
=
1
×
1
×
2
=
2
A = 1 \times 1 \times 2 = 2
A
=
1
×
1
×
2
=
2
.
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