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  • Calculating Sodium Oxide Production: A Step-by-Step Guide
    Here's how to solve this problem:

    1. Balance the Chemical Equation:

    The given equation is already balanced:

    4Na + O₂ → 2Na₂O

    2. Convert Grams of Sodium to Moles:

    * The molar mass of sodium (Na) is 22.99 g/mol.

    * Divide the given mass of sodium (46 g) by its molar mass:

    46 g Na / 22.99 g/mol = 2 mol Na

    3. Determine the Mole Ratio from the Balanced Equation:

    * The balanced equation shows a 4:2 mole ratio between sodium (Na) and sodium oxide (Na₂O). This means for every 4 moles of Na, you get 2 moles of Na₂O.

    4. Calculate the Moles of Sodium Oxide:

    * Use the mole ratio to find the moles of Na₂O produced:

    2 mol Na * (2 mol Na₂O / 4 mol Na) = 1 mol Na₂O

    5. Convert Moles of Sodium Oxide to Grams:

    * The molar mass of sodium oxide (Na₂O) is 61.98 g/mol.

    * Multiply the moles of Na₂O by its molar mass:

    1 mol Na₂O * 61.98 g/mol = 61.98 grams of Na₂O

    Therefore, 61.98 grams of sodium oxide will be formed.

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