Topical Questions
These questions are keyed to the major topics in the chapter. Usually a question that is answered at the back of the book is paired with a similar one that is not.
Calculate the number of moles represented by each of these:
(a) 127.08 g Cu
(b) 20.0 g calcium
(c) 16.75 g Al
(d) 0.012 g potassium
(e) 5.0 mg americium
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