Find the total number of oxygen atoms in 6×106 formula units of the complex [Co(H2O)6]Cl2.
A
4.2×107
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B
6×106
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C
3.6×107
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D
1.8×107
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Solution
The correct option is C3.6×107 Number of 0 - atoms present in one formula unit of [Co(H2O)6]Cl2=6
Number of 0 - atoms present in 6×106 formula units of [Co(H2O)6]Cl2 are =6×6×106 =3.6×107atoms