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GasesMCQ

Which sample contains the smallest number of atoms? — Gases Chemistry Question

Question

Which sample contains the smallest number of atoms?

A.

1.0 L of Ar at STP

B.

1.0 L of H2 at STP

C.

1.0 L of Ar at 25 ºC and 760 mm Hg

✓ Correct
D.

1.0 L of H2 at 0 ºC and 900 mm Hg

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