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

    Nov 13, 2010, 08:02 AM
    CaO3>CaO Co2 calculate the munber of moles of CO2 when 500g of CaO is produced
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    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Nov 14, 2010, 03:11 AM

    Well, you typed the wrong compound... =/



    Calcium carbonate is CaCO3 and carbon dioxide is CO2. Capital letters and small letters are important in chemistry when it comes to symbols.

    1. Check that your equation is balanced.
    2. Work out the mole ratio between the number of moles of CaO produced and the number of moles of CO2 produced.
    3. Find how many moles of CaO there are in 500 g of CaO.
    4. Hence, work out the number of moles of CO2, using your answer to 2. and 3.
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