Extraction Of Caffeine Lab Template Page 7

Extraction of Caffeine

Report Sheet

Name _________________

Data

1. Mass of empty flask

___________ g

2. Description of extracted caffeine: Include physical state (solid, liquid, gas) and color.

3. Mass of flask containing caffeine

___________ g

Calculations and Conclusions

4. Mass of caffeine extracted

___________ g = ___________ mg

5. Actual amount of caffeine in coffee sample ___________ mg

The coffee was prepared by the stockroom manager. According to the recipe used, the coffee

had a caffeine concentration of 1 mg/mL. Calculate the actual amount of caffeine in the coffee

sample you used for the extraction. Show work here:

6. Percent recovery of caffeine in coffee sample

___________ %

This is the percent of caffeine you were able to extract from the actual amount of caffeine in

the coffee sample. Pay careful attention to units!! Show work here:

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