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Tardigrade
Question
Chemistry
Total number of atoms represented by the compound CuSO4 . 5H2O is
Q. Total number of atoms represented by the compound
C
u
S
O
4
.5
H
2
O
is
2699
194
BHU
BHU 2005
Some Basic Concepts of Chemistry
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A
27
10%
B
21
72%
C
5
10%
D
8
8%
Solution:
Total number of atoms in
C
u
S
O
4
.5
H
2
O
are 1+ 1 + 4 + 5 (2 + 1) = 6+ 5
×
3 = 21
∴
C
u
S
O
4
.5
H
2
O
has 21 atoms