Investigating the Effect of Temperature on the Rate of Hydrolysis of Acetylsalicylic Acid

This investigation explores how varying temperatures (30.0°C to 70.0°C) influence the rate of hydrolysis of acetylsalicylic acid into salicylic acid.

The methodology employs colorimetry to measure the absorbance of the iron(III) salicylate complex at 565 nm. A calibration curve is constructed to accurately determine salicylic acid concentrations over time.

Results demonstrate a significant positive correlation between temperature and the initial reaction rate, consistent with the Arrhenius equation and collision theory.

This exemplar is distinguished by its rigorous error analysis, including detailed uncertainty propagation and a comprehensive evaluation of both random and systematic errors, making it an excellent model for high-level chemical kinetics investigations.