options are 

A) 171 micro molar 

B) 163 micro molar 

C) 157 micro molar 

D) 150 micro molar 

E) it would not appropriate to use the absorbance measured for this unknown sample as it shows a reading above the range of the data used to generate the standard curve 

Transcribed Image Text:

Consider the standard curve of 2,6-dicholorophenol indophenol (DCIP) shown below. Determine the concentration of DCIP in an unknown sample if the Absorbance (at 620 nm) of the unknown sample was 0.913. Standard curve of DCIP measured at 620 nm 0.5 y 0.0058x +0.003 0.4 R2 = 0.9977 A 0.3 0.2 0.1 10 30 40 50 60 70 80 90 DCIP (uM) Absorbance (620 nm) 20 Consider the standard curve of 2,6-dicholorophenol indophenol (DCIP) shown below. Determine the concentration of DCIP in an unknown sample if the Absorbance (at 620 nm) of the unknown sample was 0.913. Standard curve of DCIP measured at 620 nm 0.5 y 0.0058x +0.003 0.4 R2 = 0.9977 A 0.3 0.2 0.1 10 30 40 50 60 70 80 90 DCIP (uM) Absorbance (620 nm) 20