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  • Oxygen Atoms in CO2: A Step-by-Step Calculation
    Here's how to calculate the number of oxygen atoms in 44g of CO2:

    1. Find the Molar Mass of CO2

    * Carbon (C) has a molar mass of 12.01 g/mol

    * Oxygen (O) has a molar mass of 16.00 g/mol

    * Molar mass of CO2 = 12.01 + (16.00 x 2) = 44.01 g/mol

    2. Calculate the Number of Moles of CO2

    * Moles = Mass / Molar Mass

    * Moles of CO2 = 44g / 44.01 g/mol = 1 mol

    3. Determine the Number of Oxygen Atoms

    * Each molecule of CO2 contains 2 oxygen atoms.

    * Since we have 1 mole of CO2, we have 1 mole of oxygen atoms.

    4. Convert Moles of Oxygen to Atoms

    * Avogadro's number (6.022 x 10^23) represents the number of atoms or molecules in one mole of a substance.

    * Number of oxygen atoms = (1 mol) x (6.022 x 10^23 atoms/mol) = 6.022 x 10^23 atoms

    Therefore, there are 6.022 x 10^23 atoms of oxygen in 44g of CO2.

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