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A solution of Na(2)S(2)O(3) is standardi...

A solution of `Na_(2)S_(2)O_(3)` is standardized iodometrically against 0.167g of `KBrO_(3)`. The process requires 50mL of the `Na_(2)S_(2)O_(4)` solution. What is the normality of the `Na_(2)S_(3)O_(3)?`

A

0.2 N

B

0.12 N

C

0.72 N

D

0.02 N

Text Solution

Verified by Experts

The correct Answer is:
B
Equivalent weight of `KBrO_(3)(167)/(6(n-"factor"))" n-factor"=6`
`N_(Na_(2)S_(2)O_(3))=(0.167)/(167)xx6xx(1)/(0.05)=0.12N`
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