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Chemistry - Moles

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    Can someone help me with this question...How many moles are there in a)32 grams of copper and b) 66g of CO2???

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    Use moles=mass/mr
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    (Original post by DebbieRose)
    Can someone help me with this question...How many moles are there in a)32 grams of copper and b) 66g of CO2???

    Thanks
    If @I hope you live didn't explain it enough. Moles=Mass/Molecular Formula
    So for a the Mr of Copper is 63.5. So its simple from there. 32 / 63.5 = 0.5 moles
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    (Original post by 10Fatanda)
    If @I hope you live didn't explain it enough. Moles=Mass/Molecular Formula
    So for a the Mr of Copper is 63.5. So its simple from there. 32 / 63.5 = 0.5 moles
    Thanks
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    (Original post by I Hope You Live)
    Use moles=mass/mr
    Thank you
 
 
 
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