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Stoichiometry Mass–Mole Conversion

1

Choose the best answer

How many moles of CO₂ are present in 220 mg CO₂?

Verified Answer & Explanation⌄

Correct Answer: A) 5.0 × 10⁻³ mol

Concept Explanation

220 mg = 0.220 g. Moles = 0.220/44 = 5.0 × 10⁻³ mol.

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