Assuming full decomposition, the volume of CO2 released at STP on heating 9.85 g of BaCO3 (Atomic mass of Ba = 137) will be:
Correct answer: D. 1.12 L
- A. 0.86 L
- B. 2.24 L
- C. 4.06 L
- D. 1.12 L
Explanation
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Mole calculations connect mass, number of particles and Avogadro's number, while balanced equations provide the mole ratios used in stoichiometry. Questions cover limiting and excess reactants, theoretical yield and percentage yield, including identifying which reactant is consumed first and comparing the actual product with the maximum possible product.
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