NCERT Exercise 1.16 - Units and Measurements
Question: The unit of length convenient on the atomic scale is an angstrom denoted by Å: 1 Å = 10⁻¹⁰ m. The size of a hydrogen atom is about 0.5 Å. What is the total atomic volume in m³ of a mole of hydrogen atoms?
Answer: Total atomic volume of a mole of hydrogen atoms = **3.15 × 10⁻⁷ m³**.
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