Biotechnology Engineering (M.Phil./Ph.D.) 2019 Panjab University Entrance Exam With Answers

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23.

The extinction coefficient of a compound is 1.5M-1cm-1 .What will be the concentration of this compound if its solution shows an absorbance of 1.20. Path length of sample is 2 cm;

A: 0.20M
B: 0.40M
C: 0.60M
D: 0.80M

The answer is: B