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14 October, 05:09

B) How many kilograms of carbon dioxide are formed when 24.42 g of iron is

produced?

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Answers (1)
  1. 14 October, 08:09
    0
    0.0289 kg of CO2 will be formed

    Explanation:

    Step 1: Data given

    Mass of iron produced = 24.42 grams

    Atomic mass iron = 55.845 g/mol

    Molar mass CO2 = 44.01 g/mol

    Step 2: The balanced equation

    Fe2O3 + 3CO → 2Fe + 3CO2

    Step 3: Calculate moles iron

    Moles iron = mass iron / molar mass iron

    Moles iron = 24.42 grams / 55.845 g/mol

    Moles iron = 0.437 moles

    Step 4: Calculate moles CO2

    For 1 mol Fe2O3 we need 3 moles CO to produce 2 moles Fe and 3 moles CO2

    For 0.437 moles Fe we'll have 3/2 * 0.437 = 0.6555 moles CO2

    Step 5: Calculate mass CO2

    Mass CO2 = moles CO2 * molar mass CO2

    Mass CO2 = 0.6555 moles * 44.01 g/mol

    Mass CO2 = 28.85 grams = 0.0289 kg

    0.0289 kg of CO2 will be formed
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