1:if
mass of a metal cube is 600 g and one side is 0.2 m
them what's the density of that metals
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Answer:
12th
Chemistry
The Solid State
Number of Atoms in a Unit Cell
A metal crystallizes in FCC...
CHEMISTRY
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Asked on December 20, 2019 by
Yashwant Teju
A metal crystallizes in FCC structure. Calculate the atomic mass of metal,If the edge length of the unit cell is 404pm and its density is 2.7gcm
−3
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ANSWER
Given, cell is FCC, z=4
Edge length, a=404pm=4.04×10
−8
cm
Density of metal, d=2.72gcm
−3
N
A
=6.02×10
23
mol
−1
Mass of the metal, M=?
We know,
d=
a
3
×N
A
z×M
M=
z
d×N
A
×a
3
M=
4
2.72×(4.04×10
−8
)
3
×6.02×10
23
Mass, M=27g mol
−1 hope so it will be useful to you dear
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