Identification Of An Unknown Ester And Aspirin Synthesis Prelab 4 We want to see lots of structures!! Question 1 (... and what you will do to ...) 1 Question 2 1 SUBTOTAL PRE-LAB: 6 points Record identity of unknown ester (flavor) 1 Record yield of crude (in mg) 1 Record yield of pure product (in mg) 1 Record melting point of pure product 1 SUBTOTAL LAB: 4 points Computations of yield of crude product 1 Computations of yield of recrystallized product 1 Achieved yield (high = 2, average = 1, low = 0) 2 Questions 3 - 5 (1 point each) 3 Question 6 3 SUBTOTAL POST-LAB: 10 points Apropos question 6: Provide information about other ingredients in aspirin tablets, information about the function of those additional ingredients, and provide some numbers regarding the relative abundence of these ingredients.