AQA AS-level Chemistry, June 2018, Paper 2 (first half) walkthrough

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AQA AS-level Chemistry, June 2018, Paper 2 (first half) walkthrough
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I just realised that you're really out here saving my chemistry A-Level thank you for being so clear and efficient in your videos

simdicool
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for 3.2 the mark scheme says answer is 17.2, they didn't extrapolate the curve before 4 minutes???

dmdehze
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26:13.. so we do not need to include the square brackets?

MK-shol