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From the chapter: Mole Concept, Stoichiometry and Concentration Terms

The total number of atoms present in 1 mole of H₂SO₄ is:

Show the answer and why

Answer: C.

One formula unit contains 2 H, 1 S and 4 O — seven atoms in all — so one mole of the compound contains 7 mol of atoms, that is 7 × 6.022 × 10²³. The first option is offered because candidates reflexively answer with one Avogadro number whenever they read "1 mole", without checking whether the question counted molecules or atoms.

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