a) Trichloroethylene, C2HCl3, which you read about in the introduction, is more dense than water. Most organic liquids, such as oil, are less dense than water. Why is it easier to clean up an oil spill in a lake than it is to clean up a spill of TCE?
b) Research the health effects of exposure to TCE. Based on your research, is the ban on this substance justified? Why or why not?