How much is the empty space in 1 mole of Helium gas at STP if the radius of helium molecule is about 0.98 dot(A)?

How much is the empty space in 1 mole of Helium gas at STP if the radi

1.	How much is the empty space in 1 mole of Helium gas at STP if the radius of helium molecule is about 0.98 dot(A)?
Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :`=99.98%`</body></html>