Volume occupied by molecules of one mole of the gas at NTP ,each having a radius of 1Angstorm is

Dear Student,

Given,Radis (r) =1 A0=10-8cm=10-10mVolume occupied by  1 mole gas is ,Vol =43πr3 =43π(10-10)3 =43×3.14×(10-10)3=4.2×10-30 m3In terms of Avogadro number (NA) for occupied volume is,=4.2×10-30 ×6.023×1023=25.3×10-7 m3 mol-1But as we know, 1 mole of any gas at NTP occupies volume =22.4 m3Hence, the computed volume is negligible.

 
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