- The balanced chemical equation is N₂ + 3H₂ → 2NH₃. This shows the mole ratio between reactants and products: 1 mole of N₂ reacts with 3 moles of H₂ to produce 2 moles of NH₃.
- To convert from moles of one substance to moles of another, use the mole ratio from the coefficients in the balanced equation as a conversion factor.
- For Example 1: Starting with 3 moles of N₂, multiply by the ratio (2 moles NH₃ / 1 mole N₂) to get 6.0 moles of NH₃.
- For Example 2: Starting with 0.5 moles of H₂, multiply by the ratio (2 moles NH₃ / 3 moles H₂) to get approximately 0.33 moles of NH₃.
- For Example 3: Starting with 6 moles of NH₃, multiply by the inverse ratio (1 mole N₂ / 2 moles NH₃) to get 3.0 moles of N₂.
- For Example 4: Starting with 1.5 moles of N₂, multiply by the ratio (3 moles H₂ / 1 mole N₂) to get 4.5 moles of H₂.
Parent Tip: Review the logic above to help your child master the concept of stoichiometry worksheet mole mole answers.
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