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Chemistry
Total number of atoms represented by the compound CuSO4 . 5H2O is
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Q. Total number of atoms represented by the compound $CuSO_4 . 5H_2O$ is
BHU
BHU 2005
Some Basic Concepts of Chemistry
A
27
10%
B
21
72%
C
5
10%
D
8
8%
Solution:
Total number of atoms in $CuSO_4 .5H_2O$ are 1+ 1 + 4 + 5 (2 + 1) = 6+ 5 $\times$ 3 = 21 $\therefore $ $CuSO_4 . 5H_2O$ has 21 atoms