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    asheppard13's Avatar
    asheppard13 Posts: 3, Reputation: 1
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    #1

    Mar 26, 2012, 04:47 PM
    Vitamin K has a molar mass of 173 g/mole and is 76.3% carbon by mass. How many carbo
    Vitamin K has a molar mass of 173 g/mole and is 76.3% carbon by mass. How many carbon atoms are in one molecule of vitamin K?
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    ebaines Posts: 12,131, Reputation: 1307
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    Mar 27, 2012, 08:27 AM
    173 g/mole x 0.763 gives the grams of carbon per mole of Vitamin K. Divide that by the atomic weight of C to determine how many C atoms per molecule of Vitamin K.

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