Describe how you will use your standard solution to these solutions a. 100 mt solution that is 0.36 gram solution that is 018 gram pper 100 mt of sofation b. 100 ml infation c. 100 ml of a solution that is 0.00 grams of copper/100 ml of solution 63.540cu Equation: 249.68 CuSO45H0 a. 0.369 0.729 b. 0.18 0.72=179.1696CSD-5H0 63.540cux X100=50ML x 100 = 25ml 0.72g 3. Given the data below, construct a calibration graph of absorbance versus concentration. Determine the equation and R: Concentration in g Cu/100 mL of solution 1. 0.72 2. 0.36 3. 0.18 4. 0.09 R: X 1. 0.165 2. 0.086 3. 0.042 4. 0.028 Absorbance C. 0.09g 100-12.5ML 0.729 4. An unknown brass sample was reacted as in the procedure to this experiment, and the absorbance of the resulting solution was 0.205. Use the calibration graph you made in prelab question 3 to determine the concentration of the solution. x =283 5. The total volume of the solution made in the brass reaction part of the experiment is 100.0 mL.