Calculate the number of moles of aluminum oxide in 6.83 g of Al₂O₃. A) 6.70 × 10^-2 mol B) 6.96 × 10² mol C) 0.253 mol D) 0.127 mol E) 1.56 × 10^-3 mol

Name: Calculate the number of moles of aluminum oxide in 6.83 g of Al 2 O 3 . A) 6.70 × 10 -2 mol B) 6.96 × 10 2 mol C) 0.253 mol D) 0.127 mol E) 1.56 × 10 -3 mol
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Quizplus · Accepted Answer

The molar mass of Al₂O₃ is approximately 101.96 g/mol. The number of moles is calculated by dividing the mass by the molar mass: 6.83 g / 101.96 g/mol ≈ 6.70 × 10⁻² mol.

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