23 Nov 2021
Problem 69a
Page 338
Section: Challenge Problems
Chapter 8: Periodic Properties of the Elements
Textbook ExpertVerified Tutor
23 Nov 2021
Given information
Densities and atomic radii of the noble gases are as given:
ELEMENT | ATOMIC RADIUS (pm) |
DENSITY (g/L) |
He | 32 | 0.18 |
Ne | 70 | 0.90 |
Ar | 98 | - |
Kr | 112 | 3.75 |
Xe | 130 | - |
Rn | - | 9.73 |
Step-by-step explanation
Step 1.
The volume occupied by one mole of gases of given density is as follows:
The Molar Mass of Helium is .
The density of Helium gas is .
Using the values of mass and density of Helium volume can be calculated as,
Density can be calculated as follows:
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