Identification Of An Unknown Ester And Aspirin Synthesis

Prelab                                                       4
We want to see lots of structures!!  
But you do not need to draw a mechanism.
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 abundance 
of these ingredients.  

Last changed 10/12/2005.