3.77 Answer each of the following questions. Note that none of
them should require difficult calculations.
(a) How many molecules are present in 1 mole of octane
(C4H18)?
(b) How many moles of fluorine atoms are present in 4
moles of C2F6?
(c) What is the approximate mass (to the nearest gram) of
3 × 1023 carbon atoms?
Introductory Chemistry: A Foundation
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Chemistry: An Atoms First Approach
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