If the mixture given was 2: 1 caffeine to binder, is the mass of caffeine that was recovered an accuratereflection of the original composition?
a. no, it is too low –there should be 100% caffeine in the original mixture
b. no, it is too low–there should be 67% caffeinein the original mixture
c. yes, it gives a percent composition of37.5% caffeine, 62.5% binder
d. yes, it gives a percent composition of 62.5% caffeine, 37.5% binder