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    shini92's Avatar
    shini92 Posts: 1, Reputation: 1
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    #1

    Sep 24, 2011, 12:49 AM
    Calculate the number of molecules of C8H8 containing 1.44?10^25 C atoms
    Calculate the number of molecules of C8H8 containing 1.44?10^25 C atoms
    jcaron2's Avatar
    jcaron2 Posts: 986, Reputation: 204
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    #2

    Sep 24, 2011, 05:25 AM
    How many atoms are in a single molecule of C8H8? Just divide the total number of atoms by the atoms-per-molecule, and there's your answer.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Sep 24, 2011, 05:55 AM
    1. Find the number of C atoms in one molecule of C8H8.

    2. Use proportions.
    ? Atoms -> 1 molecule
    1 atom -> 1/? Molecule
    1.44x10^25 atoms ->??

    EDIT: I didn't see your post Josh, I was drawing something >.< Anyway, have to spread the rep still =/

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