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The weight of 1 xx 10^(22) molecules of ...

The weight of `1 xx 10^(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

Text Solution

Verified by Experts

The correct Answer is:
C
c) `therefore` `6.02 xx 10^(23)` molecules of `CuSO_(4).5H_(2)O`
`=63.5 + 32 + 64 + 90 = 249.5`g
`therefore` `10^(22)` molecules of `CuSO_(4).5H_(2)O`
`=(249.5 )/(6.02 xx 10^(22)` = 4.15 g
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