Calculate the concentration of the unknown copper sulphate solutions using beer lamberts equation

Using the Beer Lambert equation accurately determine the concentration of the two unknown copper sulphate solutions. Preface your answer with two or three sentences (that may incorporate an equation) to explain how you have derived these concentrations using your graph. A standard curve of the absorbance of the copper sulphate solutions against their concentration 1.8 1.56 1.6 1.37 1.4 1.13 1.2 1 Absorbance at 680nm 0.75 0.8 Absorbance 0.6 0.45 --... Linear (Absorbance) 0.4 0.2 0 0 0.1 0.2 0.3 0.4 0.5 0.6 Concentration of copper sulphate (M) IN Unknown concentration A Unknown concentration B 1.13 absorbance 1.16 absorbance