Draw the calibration curves as instructed in the experiment steps Find regression equations and correlation coefficients Calculate the amount of Co 2 and Cr 3 in your sample (Show your Calculations ) Absorbance Absorbance Maximaof Co 2 (510 nm) Absorbance Absorbance Maximaof Cr 3 (412 nm) 0,04 MCo ...

Graph 1 ymxc where xconcentrationyabsorb ...

Draw the calibration curves as instructed in the experiment steps. Find regression equations and correlation coefficients. Calculate

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Draw the calibration curves as instructed in the experiment steps. Find regression equations and correlation coefficients.
Calculate the amount of Co²⁺ and Cr³⁺ in your sample. (Show your Calculations !)

Absorbance@ Absorbance Maximaof Co²⁺(510 nm)	Absorbance@ Absorbance Maximaof Cr³⁺(412 nm)
0,04 MCo²⁺	0,181	0,012
0,08 MCo²⁺	0,363	0,030
0,16 MCo²⁺	0,723	0,064
0,01 MCr³⁺	0,055	0,151
0,02 MCr³⁺	0,111	0,304
0,03 MCr³⁺	0,169	0,450
Sample (Co²⁺ and Cr³⁺ Mixture)	0,450	0,256
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