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    LiOnDaNcEr's Avatar
    LiOnDaNcEr Posts: 4, Reputation: 1
    New Member
    		  
    #1

    Oct 2, 2006, 09:50 PM
    how many atoms of carbon?
    can someone help me solve this?

    1.how many atoms of carbon are in 2.4 x 10^3 of coal if 6.02 x 10^23 carbon have mass 12 g?

    I know the 1 mole of C atoms is 6.022 x 10^23
    and that's 12 grams

    I need to know how to solve the question and what the chemical formula for coal is I look it up online and I get many formulas for coal very confusing

    thank you for your time =]
    student007's Avatar
    student007 Posts: 60, Reputation: 2
    Junior Member
    		  
    #2

    Oct 3, 2006, 07:09 PM
    I always though coal was pure carbon? Maybe I'm wrong... if so, you can easily calculate it using a simple ratio, right?
    LiOnDaNcEr's Avatar
    LiOnDaNcEr Posts: 4, Reputation: 1
    New Member
    		  
    #3

    Oct 4, 2006, 07:07 PM
    its OK I got the answer =]
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