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  • Stoichiometry Calculation: Moles of Al₂O₃ from Fe Reaction - Step-by-Step
    Here's how to solve this problem, which involves a stoichiometry calculation:

    1. Write the Balanced Chemical Equation:

    The reaction you're describing is the thermite reaction:

    Fe₂O₃ (s) + 2 Al (s) → 2 Fe (l) + Al₂O₃ (s)

    2. Identify the Mole Ratio:

    The balanced equation shows that 2 moles of Al react to produce 1 mole of Al₂O₃.

    3. Use the Mole Ratio to Calculate Moles of Al₂O₃:

    Since we are given moles of Fe (0.60 mol), we need to find the corresponding moles of Al₂O₃ produced.

    * Step 1: Notice that the mole ratio between Fe and Al₂O₃ is 2:1 (from the balanced equation).

    * Step 2: Use this ratio to convert moles of Fe to moles of Al₂O₃:

    0.60 mol Fe × (1 mol Al₂O₃ / 2 mol Fe) = 0.30 mol Al₂O₃

    Answer: 0.30 mol of Al₂O₃ are produced when 0.60 mol of Fe react.

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