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A solution of 0.1 M KMnO4 is used for th...

A solution of `0.1 M KMnO_4` is used for the reaction `S_2O_3^(-2) + 2MnO_4^(-) + H_2O to MnO_2 + SO_4^(-2) + OH^(-)` .The volume of `KMnO_4` requires to react `0.158 g `of `Na_2S_2O_3` is (MW=158) :

A

`13.33 mL`

B

`6.66 mL`

C

`3.33 mL`

D

`26.67 mL`

Text Solution

Verified by Experts

The correct Answer is:
D
Volume of ` KMnO_4 ` is ` V, therefore (0.3 V )/(1000 ) = ( 0.158 )/(158 ) xx 8 , V = 26.67 mL`
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