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  • Sodium Chloride Production: Calculating Mass from Reaction with Chlorine
    Here's how to solve this problem:

    1. Write the Balanced Chemical Equation:

    The reaction between sodium (Na) and chlorine (Cl₂) produces sodium chloride (NaCl):

    2 Na + Cl₂ → 2 NaCl

    2. Determine the Molar Mass of Sodium:

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

    3. Calculate the Moles of Sodium:

    * Moles of Na = (Mass of Na) / (Molar Mass of Na)

    * Moles of Na = 92.0 g / 22.99 g/mol

    * Moles of Na ≈ 4.00 mol

    4. Use the Mole Ratio from the Balanced Equation:

    The balanced equation shows that 2 moles of Na react to produce 2 moles of NaCl. This means the mole ratio of Na to NaCl is 1:1.

    5. Calculate the Moles of Sodium Chloride:

    Since the mole ratio is 1:1, 4.00 moles of Na will produce 4.00 moles of NaCl.

    6. Determine the Molar Mass of Sodium Chloride:

    The molar mass of sodium chloride (NaCl) is approximately 58.44 g/mol (22.99 g/mol for Na + 35.45 g/mol for Cl).

    7. Calculate the Mass of Sodium Chloride:

    * Mass of NaCl = (Moles of NaCl) * (Molar Mass of NaCl)

    * Mass of NaCl = 4.00 mol * 58.44 g/mol

    * Mass of NaCl ≈ 233.76 g

    Therefore, approximately 233.76 g of sodium chloride is produced.

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