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Chemistry
Chemistry
Problem
A compound
A
B
AB
A
B
has rock salt structure with
A
:
B
=
1
:
1
A : B = 1 : 1
A
:
B
=
1
:
1
. The formula mass of
A
B
AB
A
B
is
6.023
Y
amu
6.023\,Y\,\text{amu}
6.023
Y
amu
and the closest
A
−
B
A-B
A
−
B
distance is
y
1
/
3
nm
y^{1/3}\,\text{nm}
y
1/3
nm
. The density of lattice is
5
×
10
−
a
g/cm
3
5 \times 10^{-a}\,\text{g/cm}^3
5
×
1
0
−
a
g/cm
3
. The value of
a
a
a
is .....
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