IB skill practice

Interpret mass spectra and isotope patterns

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

Paper 1, Paper 2 5 marks Difficulty 5

Peak intensity ratio

In a mass spectrum from a materials chemistry discussion, the base peak has intensity \(100\) and another peak has intensity \(25\). Calculate the relative intensity ratio peak/base. Use the HL diagram labels before giving the value or explanation. Enter the answer and choose the interpretation that matches the chemistry.

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