Mole Concept and Some Basic Concepts of ChemistryhardMCQ MULTIPLE

Which of the following theoretical conditions correctly define the application, utility, and boundarMole Concept and Some Basic Concepts of Chemistry Chemistry Question

Question

Which of the following theoretical conditions correctly define the application, utility, and boundaries of the Principle of Atom Conservation (POAC) in advanced chemical problem-solving?

Answer: A,B,C

💡 Solution & Explanation

POAC is a powerful shortcut derived directly from Dalton's atomic theory and Lavoisier's Law of Conservation of Mass (Statement A is True). By tracking the moles of a specific atom (e.g., $1 \times \text{Moles of } CO_2 = 1 \times \text{Moles of } CaCO_3$), one completely bypasses the need for balanced stoichiometric coefficients (Statement B and C are True). POAC works uniformly across solids, liquids, solutions, and gases; it is not restricted to gases (Statement D is False).

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