A murexide soution has a concentration of 3.52x10-4M and an absorbance of 1.850. what is the molar absorptivity of the solution?

The question is incomplete, here is the complete question:

A murexide soution has a concentration of and an absorbance of 1.850 and the path length is 1 cm. What is the molar absorptivity of the solution?

The molar absorptivity coefficient is

Explanation:

To calculate the molar absorptivity coefficient, we use the equation given by Beer-Lambert law, which is:

where,

A = absorbance = 1.850

= molar absorptivity coefficient = ?

C = concentration of the solution =

l = path length = 1 cm

Putting values in above equation, we get:

Hence, the molar absorptivity coefficient is

first one is the correct answer

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