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

During the reaction of 10 g of CaCO₃ with 10 g of HCl, the limiting reactant is

A. Calcium carbonate
B. Hydrochloric acid
C. Both are limiting
D. Carbon dioxide

📝 Explanation

CaCO₃ = 0.1 mol, HCl = 0.274 mol. Since only 0.2 mol HCl is required, CaCO₃ is limiting.

📖 Additional Information

  • Calcium carbonate
  • Hydrochloric acid
  • Both are limiting
  • Carbon dioxide

CaCO₃ = 0.1 mol, HCl = 0.274 mol. Since only 0.2 mol HCl is required, CaCO₃ is limiting.

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