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

Calculate product moles from ratio

For 2H2 + O2 -> 2H2O in a student rate experiment, \(0.5\,\text{mol}\) of H2 reacts completely. Calculate moles of H2O formed. Enter the answer and choose the interpretation that matches the chemistry.

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