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    Exam 2: Atoms and the Atomic Theory
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    How Many Moles Are Represented by 2
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How Many Moles Are Represented by 2

Question 50

Question 50

Multiple Choice

How many moles are represented by 2.5 × 1015 Na atoms?


A) 3.8 × 10-10 mol
B) 1.8 × 10-10 mol
C) 1.5 × 1039 mol
D) 4.2 × 10-9 mol
E) 1.1 × 1014 mol

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