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Question

In a spectrophotometric cell of 2.0 cm pathlength, the solution of a substance shows the absorbance value of 1.0. If the molar absorptivity of the compound is 23104 L mol21 cm21, calculate the concentration of the substance in solution. What is the concentration of the substance in that solution ?

A 2.5 3 102525 mol L21
B 4.0 3 1024 mol L21
C 1.0 3 104 mol L21
D 5.0 3 1024 mol L21

Answer & Explanation

Answer: 2.5 3 102525 mol L21

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