A spectrometer was used to measure the light absorbed by three standard solutions containing different concentrations of K2Cr207. The following data was obtained. [Cr] (ppm) Absorbance 5.1 0.162 10.0 0.320 14.9 0.486 The equation of the straight line generated using the method of least squares is: O a.y = 30.24x + 0.242 %3D O b.y = -0.0086x + 0.0331 C. y = 0.0331x - 0.0086 O d.y = -0.1086x + 0.0231

A spectrometer was used to measure the light absorbed by three standard solutions containing different concentrations of K2Cr207. The following data was obtained. [Cr] (ppm) Absorbance 5.1 0.162 10.0 0.320 14.9 0.486 The equation of the straight line generated using the method of least squares is: O a.y = 30.24x + 0.242 %3D O b.y = -0.0086x + 0.0331 C. y = 0.0331x - 0.0086 O d.y = -0.1086x + 0.0231

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter12: Spectrochemical Methods

Section: Chapter Questions

Problem 16P

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