Question
[2 marks]
Calculation
Type your answer
Include the unit where there is one (e.g. a magnification ×100, or a rate in cm³/min).
Modelled on Cambridge 9701 · Oct/Nov 2025 · Paper 43 · Q4(b)(iii)
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Modelled on Cambridge 9701 · Oct/Nov 2025 · Paper 43 · Q4(b)(iii)