A gas at STP contains only 6.023 x 10^23 atoms and is monoatomic it will occupy
Correct answer: B. 22.4L
- A. 1.2L
- B. 22.4L
- C. 30.5L
- D. 44.8L
Explanation
To determine the volume of the gas at STP (Standard temperature pressure), we can use Avogadro's law, which states that equal volumes of gases at the same temperature and pressure contain an equal number of particles. The gas contains 6.023 × 10²³ atoms, which is equal to Avogadro's number, we can conclude that the gas occupies 1 mole. At STP, 1 mole of any ideal gas occupies a volume of 22.4 liters. This is known as molar volume.
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About Moles and Avogadro's Number
The mole connects the microscopic number of particles with measurable mass, using Avogadro's number, 6.022 × 10²³ particles per mole. Questions involve molar mass, conversion between mass, moles and particles, percentage composition, empirical and molecular formulas, and distinguishing atoms, molecules, ions and formula units.
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