NCERT Exercise 1.17 - Units and Measurements
Question: One mole of an ideal gas at standard temperature and pressure occupies 22.4 L (molar volume). What is the ratio of molar volume to the atomic volume of a mole of hydrogen? Why is this ratio so large?
Answer: The volume ratio is **7.1 × 10⁴**, showing that gases consist mostly of empty space.
Full step-by-step NCERT solution with diagrams on Something by Zero.