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24.9 g of sodium thiosulphate (Mol.mass=...

24.9 g of sodium thiosulphate (Mol.mass=249) is weighed by a chemist. The moles of sodium this sulphate he has weighed, are:

A

`(1)/(10)`

B

`(1)/(5)`

C

`(1)/(2)`

D

1

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The correct Answer is:
A
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