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Principles of Instrumental Analysis | 6th Edition | ISBN: 9780495012016 | Authors: Douglas A. Skoog F. James Holler Stanley R. Crouch
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Convert the following transmittance data to ahsorhanees:(a) 15.X% (d) 23.8'10(h) 0.492

Chapter 13, Problem 13-2

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QUESTION:

Convert the following transmittance data to ahsorhanees:(a) 15.X% (d) 23.8'10(h) 0.492 (e) 0.085(cl 39.4% (f) 5.38%

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QUESTION:

Convert the following transmittance data to ahsorhanees:(a) 15.X% (d) 23.8'10(h) 0.492 (e) 0.085(cl 39.4% (f) 5.38%

ANSWER:

Step 1 of 6

The phenomenon of absorption and transmittance are employed in spectroscopic procedures.

Beer’s Lambert law is the one that bridges the connection between the concentration of the substance, its corresponding absorbance, and the path length of the cell in which the substance is taken.

When the percentage value of transmittance is provided the following formula is used:

Where

A is the absorbance.

T is the transmittance.

When transmittance is not given in percentage.

(a) 15.8 %

Using the formula of % transmittance,

Therefore, the absorbance is obtained as 0.801.

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