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The weight of `1 xx 10^(22)` molecules of `CuSO_(4). 5H_(2)O` is
A. `4.144 g`
B. `5.144 g`
C. `6.144 g`
D. None of these

1 Answer

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Best answer
Correct Answer - A
Mol.wt.of `CuSO_(4).5H_(2)O=249.6`
`:.` Mass of `1xx10^(22)` molecules
`=(249.6xx110^(22))/(6.023xx10^(23))=4.144 g`

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