1 of 2 REPORT SHEETS FOR EXPERIMENT 2: PREPARATION OF n-PROPYL PROPANOATE TYDEDIMONTA DDOCUTUD. 3. How can you tell, by looking at the refluxing set-up, that the reaction between n-propanol and propionic acid is over? 4. When assembling the distillation set-up, why is it important to place the tip of the thermometer at the same height as the exit to the side arm of the round-bottom flask