Topical Questions
These questions are keyed to the major topics in the chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
CFCs (chlorofluorocarbons) are implicated in decreasing the ozone concentration in the stratosphere. A CFC substitute is CF3CH2F.
(a) If you have 25.5 g of this compound, how many moles does this represent?
(b) How many atoms of fluorine are contained in 25.5 g of the compound?
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