23 Nov 2021
Problem 69d
Page 338
Section: Challenge Problems
Chapter 8: Periodic Properties of the Elements
Textbook ExpertVerified Tutor
23 Nov 2021
Given information
The atomic radius and density for some noble gases and asked to calculate the unfilled ones.
Use the densities and molar masses of krypton and neon to calculate the number of atoms of each found in a volume of 
.
Step-by-step explanation
Step 1.
We know,
The density of krypton is 
.
Therefore, the mass of Krypton is 
.
The density of neon is 
.
The mass of Neon is 
.
The number of atoms of gas is,
Substituting the value of mass and molar mass of krypton gas in the equation,
Substituting the value of mass and molar mass of neon gas in the equation,
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