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Sindh MDCAT 2020 Chemistry #Mole Concept #Stoichiometry

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In a vessel, 10 g N₂, 10 g H₂ and 10 g O₂ are present. Which one will have least number of atoms? (Sindh MDCAT 2020)

Verified Answer & Explanation⌄

Correct Answer: C) O₂

Concept Explanation

For equal masses, the substance with the largest molar mass has the fewest molecules and atoms. O₂ has the largest molar mass among H₂, N₂ and O₂.

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