At STP, which sample of gas has the same number of atoms as 4.0 liters of Ne gas?
- Jun 23
- 1 min read
At STP, which sample of gas has the same number of atoms as 4.0 liters of Ne gas?
(1) 8.0 L of Ar(g) (3) 3.0 L of Kr(g)
(2) 2.0 L of He(g) (4) 4.0 L of Xe(g)
Solution: STP stands for standard temperature and pressure. When temperature, pressure and volume is the same, the number of moles and atoms of gas will be the same as well. Therefore, we are looking for a gas with the same volume. Choice 4 is the correct answer, 4.0L of Xe.
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