# The absorbance of #2# x #10^-4# #M# solution was found to be #0.123# when placed in a cell of #1# #cm# length. Calculate the transmittance, percent transmittance and molar absorptivity of a cell of length #2# #cm#?

##### 1 Answer

Feb 12, 2016

#### Explanation:

The relationship between transmittance

Since the length of the cell was increased to

Therefore,

In order to solve for the molar absorptivity

Here is a video that explains Beer-Lambert law and it use experimentally:

**AP Chemistry Investigation #1: Beer-Lambert Law.**