how do you find the moles of SCN- in volumetric flasks? what is the purpose of having a ratio this large?

B. Preparation of the Calibration Curve 1 x Regression Equation 4 = 10957x +0.014342 Correlation coefficient 0.92709 Concentration of standard Iron solution M Molar Absorptivity 10957 Volume of standard on used [Fell 1. 5.00.ml 2. 1x10.4 8x10.5 4.00 ml 3. 3.00 ml 1.078 0.935 0.532 O.141 0.215 4. 6x1005 4 x 10-5 2x10-5 200 ml 5. 1.00 ml Sample dilution calculation: (1.00 10 ) (5.00m) = ( ) (50.00) ( = 1.x 10-4 Answer the following questions for the first standard solution (5.00 mL) used above. Moles of Fest in volumetric flask 5x10 (1x10*) (5 x 10 3) = 5x10 mores Moles Moles of SCN in volumetric flask Calculate the ratio (moles SCN-/moles Fe3+) What is the purpose for having a ratio this large