Question

16.The size of a hydrogen atom is about 0.5 A. What is the total atomic volume in m of a mole
of hydrogen atoms?relation turns out to be 3.763, to what value should you round off the
result?​

Answer 1

Answer:

Radius of hydrogen atom, r = 0.5 Å = 0.5 × 10-10 m

Volume of hydrogen atom = 4/3 π r3

= 4/3 x 22/7 x (0.5 x 10-10)3

= 0.524 x 1030 m3

1 mole of hydrogen contains 6.023 × 1023 hydrogen atoms.

∴ Volume of 1 mole of hydrogen atoms = 6.023 × 1023 × 0.524 × 10-30

= 3.16 × 10-7 m3

Explanation:

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