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Yield and atom economy of chemical reactions (chemistry only) answer explanations

Review worked answers and explanations for Yield and atom economy of chemical reactions (chemistry only). Aligned to AQA Gcse Chemistry.

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Question 1

Case 77 formula-choice. A student starts a worked solution. Which first step is most appropriate? Focus on ratios fractions and percentages yield calculations in Percentage yield, not on a neighbouring Unit 4.3 idea.