Iron metal can be produced from the mineral hermatite, Fe2O3
by reation with carbon
Fe₂O3 + C Fe + co2
balance the equation
How many grams of carbon are needed to react with 525g of hermatite

Mass of C needed =59.4 g

Explanation:

Given data:

Mass of C needed = ?

Mass of Fe₂O₃ = 525 g

Solution:

Balance chemical equation:

2Fe₂O₃ + 3C  →    4Fe+ 3CO₂

Number of moles of Fe₂O₃:

Number of moles = mass/ molar mass

Number of moles = 525 g/ 159.69 g/mol

Number of moles = 3.3 mol

Now we will compare the moles of Fe₂O₃ with carbon from balance chemical equation.

                  Fe₂O₃            :           C

                    2                  :            3

                   3.3               :      3/2×3.3 = 4.95 mol

Mass of carbon:

Mass = number of moles × molar mass

Mass = 4.95 mol × 12 g/mol

Mass = 59.4 g

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