Density of a 3 molar aqueous solution of...

Density of a 3 molar aqueous solution of `Na_(2)S_(2)O_(3)` is `1.482gm//ml`. Calculate mole fracrtion of `Na_(2)S_(2)O_(3)` in solution.

A

`I_(2)` solution

B

`KMnO_(4)`

C

`K_(2)Cr_(2)O_(7)`

D

Oxalic acid

Verified by Experts

The correct Answer is:

A

Standard solution of `I_(2)` is used to estimate sulphite, thiosulphite, arsenite etc.

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