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  • Hydrogen Atoms in C2H4: A Step-by-Step Calculation
    Here's how to solve this problem:

    1. Understand the Formula:

    * C2H4 represents the molecule ethylene. It contains 2 carbon atoms (C) and 4 hydrogen atoms (H).

    2. Use Avogadro's Number:

    * Avogadro's number tells us that there are 6.022 x 10^23 molecules in one mole of any substance.

    3. Calculate the Number of Molecules:

    * You have 2.32 moles of C2H4.

    * Multiply moles by Avogadro's number to find the number of molecules: 2.32 mol * (6.022 x 10^23 molecules/mol) = 1.397 x 10^24 molecules of C2H4

    4. Calculate the Number of Hydrogen Atoms:

    * Since each molecule of C2H4 has 4 hydrogen atoms:

    * Multiply the number of molecules by 4: (1.397 x 10^24 molecules) * (4 atoms H/molecule) = 5.588 x 10^24 atoms of hydrogen

    Answer: There are approximately 5.588 x 10^24 atoms of hydrogen in 2.32 moles of C2H4.

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