IB Chemistry Internal Assessment Exemplar: Which transition metal catalysts, Copper(II) Sulfate (CuSO4) and Manganese(II) Sulfate (MnSO4), will lower the activation energy (kJ/mol) most for the reaction between Sodium Thiosulfate (Na2S2O3) and Iron(III) Chloride (FeCl3), by measuring the time taken (s) for the reaction to complete and performing Arrhenius plotting analysis at different temperatures of 25°C, 30°C, 35°C, 40°C, and 45°C? | RevisionDojo