February/March 2026 Paper 22

2026 · 40 questions · 40 parts · 40 marks

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8Percentage Yield Atom EconomyMedium1 mark
A sample of magnesium is burned in air. A student calculates that 10 g of magnesium oxide should be produced. After the reaction, the student determines the percentage yield of magnesium oxide. Which formula is used to determine the percentage yield of magnesium oxide?