Product Chemistry Example 2

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Example 2

medium
In the reaction Fe2O3+3CO→2Fe+3CO2\text{Fe}_2\text{O}_3 + 3\text{CO} \rightarrow 2\text{Fe} + 3\text{CO}_2, identify the products and calculate how many moles of each product are formed from 1.51.5 mol of Fe2O3\text{Fe}_2\text{O}_3.

Solution

  1. 1
    Products are on the right side: Fe\text{Fe} (iron metal) and CO2\text{CO}_2 (carbon dioxide).
  2. 2
    From the equation: 1 mol Fe2O3\text{Fe}_2\text{O}_3 → 2 mol Fe and 3 mol CO2\text{CO}_2.
  3. 3
    For 1.5 mol Fe2O3\text{Fe}_2\text{O}_3: Fe =1.5×2=3.0= 1.5 \times 2 = 3.0 mol, CO2=1.5×3=4.5\text{CO}_2 = 1.5 \times 3 = 4.5 mol.

Answer

3.0 mol Fe and 4.5 mol CO23.0\text{ mol Fe and } 4.5\text{ mol CO}_2
The coefficients in the balanced equation give the mole ratios between reactants and products. Each product is produced in a specific ratio relative to the reactants consumed.

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