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1 May, 08:36

Using the chemical equation below, how many moles of Al2O3 produce when 105 grams of Al are reacted? 2Al+Fe2O3 - > Al2O3+2Fe

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  1. 1 May, 12:28
    0
    1.94

    Explanation:

    moles = mass/Mr so you have 3.889 moles of aluminium, but because the ratio in the equation is 2:1 you need to halve it.
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