IB skill practice

Balance equations and use mole ratios

Syllabus-aligned Chemistry skill. Draft skills remain inactive until production seed coverage is added.

Paper 1, Paper 2 5 marks Difficulty 4

Use coefficient mole ratio

The balanced equation in a industrial ammonia discussion is N2 + 3H2 -> 2NH3. What is the mole ratio N2:NH3? Enter the answer and choose the interpretation that matches the chemistry.

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