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Stoichiometry Moles and Molar Mass

1

Choose the best answer

Which sample has the least mass?

Verified Answer & Explanation⌄

Correct Answer: D) 0.5 mol H₂O

Concept Explanation

0.5 mol O₂ = 16 g 2 mol NH₃ = 34 g 0.25 mol SO₂ = 16 g 0.5 mol H₂O = 9 g Therefore, 0.5 mol H₂O has the least mass.

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