- 4 34 Pm Sun Jul 3 O Name S Experimental Asas 510 Nm Calibration Curve Data Results Neatly Show All Calculations 1 (79.3 KiB) Viewed 12 times
4:34 PM Sun Jul 3 ☆ Ö Name: S Experimental asas: 510 nm Calibration Curve Data: Results: (neatly show all calculations, including all units) Compound used: CO₂ Concentration of prepared stock solution: 0.2 m Calculations for the prepared stock solution (#1): Molar mass Solution # Solution #3: 1 2 3 4 5 Unknown Absorbance 1.21 0.80 0.67 0.26 N/A 0.80 Unknown's True Concentration mol L Calculations for the prepared diluted solutions: Solution #2: Part 1: stock solution only. M 0.20 0.15 0 10 Solution #4: = 0.05 N/A 0.15 w/ graph Solution #5: Attach Excel graph for calibration curve, set y-intercept set to o, and show linear equation. mole of x liter of solution 470-> A 480 490 500 510 520 530 39% + : 3 U ✪
4:34 PM Sun Jul 3 ☆ r Name: S Determination of e for metal ion: a. Calculated from graph, slope of line: b. Calculated from Beer's Law: A = q XL X C Concentration of unknown solution: a. Calculated from graph, slope of line: b. Calculated from Beer's Law: c. Percent error for each (a. and b. above): KO 39% + : 4 U
4:35 PM Sun Jul 3 く r ☆ Name: S КО 39% + : Discussion: (compare transition metal ion concentration in unknown solution obtained by the two methods, and justify which of the two methods you think is more accurate, and sources of error.) 5 U +