Determine the concentration of your prepared Iron (III) Salicylate Dianion solution (pure ASA) in the 10.0 mL of 1.0 M NaOH in mg/mL (Part D) using Beer's Law plot. Hint: You need to use the measured absorbance reading of your prepared Iron (III) dianion (absorbance reading: 0.83). Information from the plot: Standard: Concentration of ASA in Standards (mg/mL) A: 0.18 B: 0.14 C: 0.10 D: 0.070 E: 0.040 Mass of salicylic acid (g) 0.17g Volume of acetic anhydride (mL) 0.34mL Mass of filter paper (g) 0.35g Mass of "impure" ASA and filter paper (g) 0.49g Mass of prepared "impure" ASA (g) 0.14g Melting point range of prepared ASA (°C) 20.9 °C Melting point range of standard ASA (°C) 18.5°C Percent purity: 28.57% Percentage yield: 66.7% Chemical equation: C7H6O3 + C4H6O3 pure ASA knowing that two consecutive dilutions were done to prepare the solution. Show all of your work. C9H8O4 + C2H4O2 b) Then, calculate the mass (in mg) of
Determine the concentration of your prepared Iron (III) Salicylate Dianion solution (pure ASA) in the 10.0 mL of 1.0 M NaOH in mg/mL (Part D) using Beer's Law plot. Hint:
You need to use the measured absorbance reading of your prepared Iron (III) dianion (absorbance reading: 0.83). Information from the plot: Standard: Concentration of
ASA in Standards (mg/mL) A: 0.18 B: 0.14 C: 0.10 D: 0.070 E: 0.040 Mass of salicylic acid (g) 0.17g Volume of acetic anhydride (mL) 0.34mL Mass of filter paper (g) 0.35g
Mass of "impure" ASA and filter paper (g) 0.49g Mass of prepared "impure" ASA (g) 0.14g Melting point range of prepared ASA (°C) 20.9 °C Melting point range of standard
ASA (°C) 18.5°C Percent purity: 28.57% Percentage yield: 66.7% Chemical equation: C7H6O3 + C4H6O3
pure ASA knowing that two consecutive dilutions were done to prepare the solution. Show all of your work.
C9H8O4 + C2H4O2 b) Then, calculate the mass (in mg) of
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