How Many Moles Are Represented by 2

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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