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Chemistry NMDCAT MCQs Limiting and Excess Reactants
nmdcat.online July 2, 2026

54. In the reaction Fe + S → FeS, 28 g of iron and 20 g of sulphur are heated together. The mass of iron(II) sulphide formed is

A. 44 g
✓
B. 88 g
C. 22 g
D. 66 g

📝 Explanation

Fe = 0.5 mol (limiting). FeS formed = 0.5 mol. Mass = 44 g.

📖 Additional Information

  • 44 g
  • 88 g
  • 22 g
  • 66 g

Fe = 0.5 mol (limiting). FeS formed = 0.5 mol. Mass = 44 g.

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