The weight of `1xx10^(22)` molecules of `CuSO_(4).5H_(2)O` is

The weight of `1xx10^(22)` molecules of `CuSO_(4).5H_(2)O` is
A. `41.59 g`
B. `415.9 g`
C. `4.159 g`
D. None of these

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - C
Mol. Mass of `CuSO_(4).5H_(2)O`
`=63+32+16xx4+5xx18=249`
`6.02xx10^(23)` molecules of `CuSO_(4).5H_(2)O` has a mass
`=((249g)xx1xx10^(22))/(6.02xx10^(23))=4.159g`

4 views Answered 2023-02-05 15:29

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