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Titration of I2 produced from 0.1045 g o...

Titration of `I_2` produced from 0.1045 g of primary standard `KlO_3` require 30.72 mL of sodium thiosulphate as shown below : (Atomic mass of iodine = 127) `lO_3^(-)+5l^(-)+6H^+rarr3l_2+3H_2O`
`l_2+2S_2O_3^(2-)rarr2l^(-)+S_4O_6^(2-)` The molarity of sodium thiosulphate Ion is :

A

0.095

B

0.079

C

0.084

D

0.064

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The correct Answer is:
A
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