How many atoms of carbon are in 2.50 moles of CO₂? A) 4.52 × 10²⁴ atoms B) 1.51 × 10²⁴ atoms C) 5.02 × 10²³ atoms D) 3.01 × 10²⁴ atoms E) 7.53 × 10²³ atoms

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Quizplus · Accepted Answer

Each mole of CO₂ contains 1 mole of carbon atoms. Therefore, 2.50 moles of CO₂ contain 2.50 moles of carbon atoms. Using Avogadro's number (6.022 × 10²³ atoms/mole), the number of carbon atoms is 2.50 moles × 6.022 × 10²³ atoms/mole = 1.51 × 10²⁴ atoms.

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