Data Table: Mass of copper sample: 0.15 g Stock solution concentration: 10 mg/mL Concentration (mg/mL) Absorption 2.20 mg 0.30 m 0 140 mm 1.0 mily AL Show a sample calculation of how you determined a concentration Absorption of your copper sample: Equation of your best-fit line: mg/mL Concentration of copper in your sample (show work below): mg Mass of copper in your sample (show work below): % % copper in your sample (show work below) Data Table: Mass of copper sample: 0.15 g Stock solution concentration: 10 mg/mL Concentration (mg/mL) Absorption 2.20 mg 0.30 m 0 140 mm 1.0 mily AL Show a sample calculation of how you determined a concentration Absorption of your copper sample: Equation of your best-fit line: mg/mL Concentration of copper in your sample (show work below): mg Mass of copper in your sample (show work below): % % copper in your sample (show work below)