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1.61 gm of Na(2)SO(4). 10H(2)O contains ...

1.61 gm of `Na_(2)SO_(4). 10H_(2)O` contains same number of oxygen atoms as present in:

A

`0.98 gm H_(2)SO_(4)`

B

`0.08 gm SO_(3)`

C

`1.78 gm H_(2)S_(2)O_(7)`

D

`0.05 gm CaCO_(3)`

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