Wednesday
July 30, 2014

Homework Help: chemistry

Posted by Anonymous on Sunday, December 5, 2010 at 4:14am.

Extraction of caffeine:

You had extracted 2 g of crude caffeine and you were in a hurry. Instead of doing the 6 successive extractions with 2ml portions of methylene chloride, you only did 2 successive extractions with 6 ml portions of solvent. Now, calculate the total mass of pure caffeine recovered in these 2 operations.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chem - Extraction of caffeine: You had extracted 2 g of crude caffeine and you ...
chem - .070g caffeine dissolved in 4 mL water. caffeine is extracted from ...
chem - .070g caffeine dissolved in 4 mL water. caffeine is extracted from ...
organic chemistry - chloroform is an excellent solvent for extraction caffeine ...
organic chemistry lab - chloroform is an excellent solvent for extraction ...
CHEMISTRY - In a chemically active extraction, a three-component mixture of ...
chemistry - Suppose that a compound Z had a partition coefficient of 8 in ether-...
chemistry - Suppose a compound Z had a partition coefficient of 8.0 in ether-...
chemistry - Why is caffeine only soluble in water that is strongly acidic? Is ...
Biochemistry - Hi, In this task for our school, we were requested to investigate...

Search
Members